CAUTION

Blog Project deadline is 15 February 2010 at 00.00<> (WIB Times). Jangan lupa setiap anggota kelompok diwajibkan untuk memasukkan paling sedikit 5 (lima) postingan mengenai IT Category dengan ketentuan seperti yang sudah dijelaskan pada saat praktikum Komputer yang lalu.

Blog ini Wajib memiliki fasilitas-fasilitas:

  1. Cita Hati Logo
  2. Search Blog
  3. Blog Category (Blog Labels or Label Cloud or Blogumus)
  4. About this Blog (Nama anggota2 kelompok + foto)
  5. ShoutBox
  6. Blogroll (isikan alamat blog/url kelompok2 yang lain)
  7. Latest Post
  8. Latest Comments
  9. Polling (sesuaikan dengan tema field trip)
  10. Blog/Web Counter (Ex : Histat)

Bonus Point :

Jika ada pertanyaan silakan contact saya di : mmeinardi@yahoo.com atau di twitter

 

With God's Love

Enter The Blog

Firefox Review - Best Browser Overall









PROS

* Fast
* Very customizable
* Uses fewer system resources than most


CONS

* So many options can be confusing
* Crash on one tab crashes all
* Private browsing requires add-in
* Many other features require add-ins



Our Analysis

Firefox remains the top-ranked web browser for Windows, Mac OSX and Linux users. It's by far the most-customizable web browser, with thousands of add-ins available. Reviews say Firefox 3 and the even-faster 3.1 beta are the best, using less memory than Firefox 2 and incorporating other improvements as well. Both Firefox 3 and 3.1 rival the new Google Chrome for speed, are much faster and use fewer system resources than Internet Explorer 8.

We found the best comparison reviews of the latest version of Firefox (3.1 beta) at TechRadar.com and PC World magazine, both of which compare it with Google Chrome and Internet Explorer 8. Softpedia.com reviews and rates all three browsers, plus Flock 2 and Opera 9.6 in separate reviews. PC Magazine, CNet.com and The Wall Street Journal provide excellent comparison tests of Firefox 3, the next-to-latest version. Tests at Gadgets-Reviews.com are less helpful because the reviewer doesn't clarify which version of Firefox is covered.


Source : http://www.consumersearch.com/web-browser-reviews/firefox-3


By : Bianda Versa

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Review - Safari Web Browser





As part of WWDC last night, Steve Jobs unveiled possibly the most important piece of news of the night to consumers - Safari, Apple's very own web-browser, was to become available on Windows.

Quite why any self-respecting Windows user would want to taint their hard drive with El Jobso's machinery, and quite why Apple are interested in placing their software on Windows in the first place, no one knows. But then, the same thing was said when they announced iTunes would be available on Windows, and there's no way in a-black-turtleneck-and-jeans heaven the iPod would have seen anywhere near the amount of success had this not been implemented.

So, we know Safari already owns 5% of the market share in web browsers - but will this new availability of the browser for Windows-users increase the popularity? Read on below for my review - and yes, I've tried not to wear my Bill Gates-adoration on my sleeve *too* much here, to give you the most unbiased review I possibly can.

Downloading the software is easy, and takes no time at all, however I wish the same could be said for actually rendering the home page. From the moment of clicking on the Safari icon, to taking me to the first page - apple.com, natch, is a process which takes eight seconds.

Considering the speed which my computer takes to point me to Google on both Firefox and Internet Explorer - under a second - this is extremely disappointing. Of course, this could be due to the no-doubt millions of downloads the browser has had, thus the added millions accessing apple.com, slowing the loading speed.

According to Apple, Safari 3 is double the speed of Internet Explorer and 42% faster than Firefox, however I find these figures to be highly incorrect. Not just is the home page slow to render, but after typing in URLs, it's the same, if not slower, to whisk me off to the site than Firefox is.

Having actually owned a Mac for three years, and accustomed to using Safari regularly (although admittedly I preferred Firefox on my Mac), I can't say I can notice too many differences. The one major flaw that jumps out at me is that when typing in a URL, several selections come up which I most definitely have never entered before, so are obviously paid-for adverts. Not cool, Apple, not cool at all.

The key features for Safari on Windows include tabbed browsing, SnapBack, and the muchly-adored pop-up blocking, standards users expect from their web browsers these days.

There are however some new features to Safari not seen before in previous versions, such as the ability to drag tabs out of the main browsing window, thus turning it into its own browser window (flawless, and one feature I could definitely become accustomed to), and the private browsing which doesn't automatically save Google searches and page histories using the caching features.

Speaking of Google, it's got a Google search-bar built in, (evidence of that Google-Apple love-in we've been seeing recently), but no Google toolbar, which will really be the make-or-break feature for some people. Personally I can't stand the toolbar so this won't be missed by me, but I know Google purists who would miss this incredibly, particularly the GMail and Googler bookmarks buttons.

One thing I noticed instantly was that there was no home button built into the toolbar. Sure, you can click on 'View', then 'Customise toolbar', and add it yourself, but really...a web browser without home built in automatically?!

Those downloading Safari on Windows are no doubt familiar with the web browser already, but for any newcomers, having the 'OK' and 'Cancel' buttons reversed in dialogue boxes could be dangerous - think of how many mistakes they'll make!

RSS feeds are built in automatically for news of interest, but I'm sure those techy enough to actually download the browser already have Bloglines or Google's own RSS feeds.

The browser may've already been live for less than 24 hours, but reports have emerged that it's already been hacked. Only time will tell how the browser will fare against the already-popular IE and Firefox, but I'm betting it won't overtake either.

Apple announced last night that Safari will be of high importance for developers creating applications for the iPhone - obviously when creating these apps it's important for Apple to be on the Windows platform as well as Mac OS.

One thing I'm interested in is how far Apple will take this, whether Safari will be bundled together in the iTunes installation, or even with QuickTime. These two programs will obviously be in much greater demand than Safari for Windows, so it makes sense for Apple to offer them together.

An official response has yet to be heard from Microsoft, but we expect it shortly. Meanwhile, with the several security vulnerabilities already been revealed, it seems a case of the ol' Trojan Horse to me, the perfect way for Apple to rile up Microsoft, and Microsoft users.

Safari for Windows: for those who want a streamlined, slim web browser without all the bloat of IE and Firefox. In other words, for simpletons who don't want to maximise their browsing time.


Source: http://www.techdigest.tv/2007/06/review_safari_w.html

Published by Bianda
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Dalam minggu ini Apple memposting sejumlah dokumen ke dalam situs web untuk menanggapi masalah ‘blue screen’ yang menimpa para pengguna Mac yang ingin meng-upgrade Sistem Operasi-nya menjadi Max OS X Leopard.

Dalam sebuah forum diskusi Apple mengenai permasalahan ini dikemukakan bahwa rata-rata kejadian ini terjadi ketika proses installasi hampir mendekati selesai dan user mencoba me-restart komputer mereka. Layar menjadi biru atau dalam istilah biasa disebut ‘blue screen’, dan cukup mengundang kekhawatiran karena jika diperbandingkan dalam istilah bahasa Windows hal ini sering dianggap sebagai ‘blue screen of death’ yang biasa terjadi jika Windows rusak.

Lebih lanjut Apple mengatakan bahwa bisa jadi permasalahan ini terkait dengan peningkatan aplikasi software dan dalam sebuah artikel ComputerWorld mengidentifikasi ‘Unsanity’s APE Software’ sebagai sumber dari semua permasalahan ini. Aplikasi Unsanity ini sendiri merupakan sebuah aplikasi yang memungkinkan para pengguna Mac untuk mengkostumisasi penampilan dari Mac OS. Dari pihak Unsanity sendiri menanggapi pernyataan ComputerWorld ini dengan mengatakan bahwa masalah tersebut mungkin terjadi karena pemakaian versi APE yang diproduksi sebelum Apple berganti memakai chip Intel.

Namun hal lain yang kemudian menjadi masalah adalah pemberitaan di Apple’s Support Forum bahwa permasalahan serupa juga menimpa para pengguna Mac yang tidak menginstall APE software. Jadi nampaknya permasalahan ini terjadi bukan semata oleh karena kesalahan pihak ketiga. Dari pihak Apple merekomendasikan dua macam solusi untuk mengatasi masalah ini. Yang pertama adalah bagi pemakai baru, pemakai harus menginstal kembali Leopard memakai metode ‘Archive and Install’. Sedangkan yang kedua bagi para pemakai Mac yang telah mengalami permasalahan ini dapat mencari solusi lain yang melibatkan beberapa baris perintah untuk mengatasi masalah ini. Untuk lebih jelasnya, dapat dilihat pada forum diskusi support Apple.

Sumber : http://www.beritanet.com/Hardware/Software/masalah_mac_os_leopard.html
Oleh : Livia Kharisma R.

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Beberapa fitur Windows Vista akan dimasukkan ke dalam versi Windows XP SP3 yang akan datang. Begitulah berita yang sedang banyak dilansir media massa pada akhir pekan ini berkaitan dengan pembuatan Windows XP SP3.
Seperti yang dinyatakan NeoSmart Technologies kepada ComputerWorld, Windows XP3 3205 yang telah dirilis ke dalam versi beta tester pada hari Minggu, memasukkan empat fitur diantara seribu macam perbaikan yang telah banyak diberitakan semenjak debut Windows XP SP2 tiga tahun yang lalu.

Menurut NeoSmart, salah satu fitur Windows Vista yang akan dimasukkan adalah fitur backported di mana di dalamnya termasuk Network Access Protection (NAP), sebuah kebijakan teknologi yang menginspeksi komputer terlebih dahulu sebelum terhubung dengan suatu jaringan besar, kemudian juga akan mengupdate secara otomatis ataupun melakukan pengeblokan jikalau ada yang tidak memenuhi kriteria keamanan.
Tambahan lainnya berasal dari modul kernel yang memuat beberapa algoritma enkripsi yang dapat diakses oleh 3rd party developer. Model aktivasi Windows yang terbaru tidak akan membuat user menginputkan nomor seri produk (product key) lagi.

Microsoft akan mengumumkan Windows XP SP3 didukung NAP dari Windows Vista dan yang juga akan termasuk dalam penyelesaian Windows Server 2008. Direncanakan Microsoft akan merilis Windows XP SP3 ini pada awal tahun 2008, dan sekaligus akan menjadikan XP sebagai Sistem Operasi berumur enam tahun.

Sumber : http://www.beritanet.com/Technology/windows_xp_sp3_fitur_vista.html
Oleh : Livia Kharisma R.

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The operating system of a large computer system has even more work to do. Such operating systems monitor different programs and users, making sure everything runs smoothly, without interference, despite the fact that numerous devices and programs are used simultaneously. An operating system also has a vital role to play in security. Its job includes preventing unauthorized users from accessing the computer system.

There are multiuser, multiprocessing, multitasking, multithreading, and real-time operating systems. A multiuser operating system enables multiple users to run programs simultaneously. This type of operating system may be used for just a few people or hundreds of them. In fact, there are some operating systems that are used to allow thousands of people to run programs at the same time.

A multiprocessing operating system allows a program to run on more than one central processing unit (CPU) at a time. This can come in very handy in some work environments, at schools, and even for some home-computing situations. Multitasking operating systems work a little differently; they make it possible to run more than one program at a time. Multithreading operating systems are even more different, allowing varied parts of one program to be used simultaneously.

Real-time operating systems are designed to allow computers to process and respond to input instantly. Usually, general-purpose operating systems, such as disk operating system (DOS), are not considered real time, as they may require seconds or minutes to respond to input. Real-time operating systems are typically used when computers must react to the consistent input of information without delay. For example, real-time operating systems may be used in navigation.



Sumber : http://www.wisegeek.com/what-is-an-operating-system.htm

Oleh : Livia Kharisma R.


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Newsgroup

NEWSGROUP

Newsgroup adalah kelompok berdiskusi di Internet. Diskusi sendiri dapat diatur dalam bentuk unmoderated atau moderated. Untuk unmoderated, setiap peserta dapat mengirimkan komentarnya.

Sedangkan untuk moderated untuk memasukan komentar harus melewati seorang moderator, moderatorlah yang menyeleksi pesan-pesan yang boleh dimasukkan ke dalam diskusi, baik menyeleksinya atau menyeleksinya terlebih dahulu.

Beberapa newsgroup menyediakan layanan mailing list yang dikirimkan melalui e-mail. Dengan tersedianya layanan mailing list ini, maka setiap pesan yang masuk dikirimkan kepada anggota yang terdaftar dalam kelompok diskusi tersebut.

Jika diskusi yang terjadi cukup banyak mendapat respon, maka para anggota dapat mengatur periode pengiriman pesan dengan melakukan status digest pada cara pengiriman pesan diskusi ke e-mail yang bersangkutan.

Beberapa Istilah yang berkait dengan newsgroup:

1. Usenet newsgroup
Kelompok diskusi di electronic bulletin boards.
2. Comp
Tipe newsgroup yang mendiskusikan topik-topik tentang komputer
3. Moderated
Bentuk diskusi dalam newsgroup atau mailing list yang diatur oleh moderator
4. Unmoderated
Bentuk diskusi dalam suatu newsgroup atau mailinglist
5. Cross-post
Mem-posting pesan yang sama pada newsgroup yang berbeda umumnya dikirim tanpa membubuhkan subjek.

Sumber: http://www.total.or.id/info.php?kk=Newsgroup
Dibuat oleh: Rendy XIPA2

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Internet Relay Chat

INTERNET RELAY CHAT




Internet Relay Chat (IRC) adalah suatu bentuk komunikasi di Internet yang diciptakan untuk komunikasi interpersonal terutama komunikasi kelompok di tempat diskusi yang dinamakan channel (saluran), tetapi juga bisa untuk komunikasi jalur pribadi.

IRC muncul sebagai saluran komunikasi pintu belakang yang menarik yang meliput kejadian-kejadian penting. Pada saat alat-alat komunikasi tradisional tak dapat berfungsi dengan baik, IRC dapat menjadi alternatif yang dapat diandalkan.

Sejarah IRC

IRC diciptakan oleh Jarkko Oikarinen (nickname "WiZ") pada akhir Agustus 1988 untuk menggantikan program di BBS yang disebut MUT (MultiUser Talk), di Finlandia di sebut OuluBOX. Oikarinen menemukan inspirasi Bitnet Relay Chat yang beroperasi di dalam Jaringan Bitnet. Dia membuat IRC client dan IRC server di Universitas Oulu, Finlandia (Pada saat dia bekerja di Departemen Informasi Ilmu Pengetahuan). Sekarang IRC sudah digunakan di lebih dari 60 negara di seluruh dunia.

Pada tahun 1992 Internet Relay Chat kemudian disempurnakan tepatnya pada saat perang gurun. Antara periode ini, informasi diterima dan disalurkan ke seluruh dunia sehingga karena dengan IRC manusia dapat berkomunikasi dengan jarak beribu-ribu mil. IRC adalah sebuah tempat pertemuan untuk siapa saja yang membutuhkan informasi langsung up to date dan dapat dipercaya.


Bagian-bagian ICR

Terdiri dari bermacam-macam "network" (jaringan atau "nets") IRC server, mesin-mesin untuk menghubungkan pemakai dengan IRC. Nets yang terbesar adalah EFnet (IRC net yang pertama, yang kadang-kadang memiliki lebih dari 32000 pengguna IRC dalam satu saat), Undernet, IRCnet, DALnet, NewNet. Server-server tersebut yang menghantarkan informasi-informasi ke dan dari satu server ke server yang lain di dalam net yang sama. Client-client yang direkomendasikan:

1. UNIX/Shell: ircII
2. Windows: mIRC or PIRCH
3. Macintosh: Ircle

Channel-channel dalam IRC dikelola oleh "channel operator",atau "ops". Channel operator adalah orang-orang yang berkuasa di channel tersebut, dan keputusan-keputusan mereka tidak dapat diganggu gugat. Mereka dapat "memilih" siapa saja yang bisa join di channel tersebut, siapa yang berhak berbicara (dengan membuat channel tersebut "moderated") dan juga menolak (dengan mem-"ban" beberapa pemain) Jika ada di-"ban" dari suatu channel, bicaralah dengan channel operator, dan minta dengan baik agar dia mengijinkan Anda untuk bergabung dengan channel tersebut (dengan meng-"unban").

IRC server dikelola oleh IRC admin dan IRC operator (atau "IRCops"). IRCops tidak turut campur dalam urusan pribadi orang-orang, perang antar channel, memberi status op, dan lain-lain. Mereka bukanlah "IRC cops".

Menggunakan IRC

Saat kita menggunakan Internet Relay Chat, kita akan disambut oleh Message of the Day (Pesan Hari Ini) atau MOTD yang berisi informasi tentang situs dan lalu lintas pada jaringan. Ketika menggunakan IRC, pengguna diminta untuk menyebutkan nama julukan atau samaran. Sang pengguna memiliki suatu program (yang disebut "client") untuk menghubungkan Anda dengan suatu server dari salah satu IRC nets tersebut di atas.

Bila telah log in pada client IRC, pengguna dapat secara otomatis menggunakan saluran aktif yang bernama #chatzone. Semua saluran atau channel IRC diawali tanda (#) ada juga dengan tanda (&). Channel-channel tersebut adalah channel-channel lokal di satu server saja sehingga pengguna harus bergabung dengan server tersebut untuk dapat bergabung dengan channel. Semua perintah IRC dimulai dengan garis miring (/). Misalnya untuk mengetahui daftar saluran yang sedang digunakan pada saat yang bersangkutan dan jumlah orang yang bercakap-cakap, ketik perintah “/list”. Untuk turut serta dalam percakapan di Internet ini, tinggal beri perintah ”/join” diikuti tanda #(nama saluran). Jika pengguna telah memiliki program seperti mIRC untuk Windows, beberapa perintahnya dapat dipilih dari menu-nya. Semua perintah-perintah dasar IRC berlaku untuk semua client-client.


Beberapa perintah dasar IRC

* /Bye untuk keluar dari channel dan program IRC
* /Help untuk meminta fasilitas bantuan yang akan menerangkan perintah IRC
* /Ignore diikuti alamat email atau nama julukan pengguna lain untuk menolak saluran komunikasi dengan pengguna individu tersebut.
* /Msg untuk mengirimkan pesan khusus kepada pengguna lain, diikuti nama julukannya lalu isi pesan
* /Names untuk menunjukkan nama seluruh pengguna yang berada dalam channel tersebut.
* /Nick untuk mengganti nama julukan atau nama samaran sebelumnya
* /Whois diikuti nama julukan, akan menunjukkan informasi mengenai pengguna tersebut.


Menghubungi IRC

Pengguna IRC menjalankan program client yang berhubungan dengan sebuah server yang letaknya entah dimana. Lebih baik jika pengguna memiliki client lokal, hal tersebut dapat dicari tahu dengan mengetik IRC pada prompt komputer. Jika tidak ada, pengguna dapat menghubungi perusahaan jasa langganan untuk memasang client lokal.

Untuk mudahnya, pengguna dapat bergabung dengan channel-channel seperti: #new2irc, #newuser, #newbies atau #chatback #chat #ircbar. Jika pengguna membutuhkan pertolongan lebih lanjut dengan mIRC, pengguna dapat bergabung dengan #new2mirc atau #mirchelp. Untuk pertolongan dengan pertanyaan-pertanyaan yang sifatnya lebih umum, pengguna dapat bergabung dengan #irchelp.

Channel-channel di atas menggunakan bahasa Inggris sebagai bahasa pengantar. Bila pengguna ingin berbahasa Indonesia, dapat bergabung dengan #bawel, #pondok, #indo, #puncak, dan masih banyak lagi. Untuk membentuk channel sendiri, misalnya dengan nama #Surya (dengan catatan bahwa channel tersebut belum dibentuk oleh orang lain), pengguna cukup mengetikkan /join #Surya. Channel itu akan terbentuk dan pengguna adalah sang channel-op.

Beberapa situs IRC adalah untuk umum. Biasanya situs ini sangat padat karena banyak pengguna yang terhubung ke dalamnya. Berikut beberapa alamat client milik umum

* sci.dixie.edu 6677
* exuokmas.ecn.uoknor.edu 6533
* obelix.wu-wien.ac.at 6996
* irc.tuzvo.sk 6533
* irc.nsycu.edu.tw 6533


Masalah-masalah dalam server

Gangguan dapat saja terjadi di dalam ber-IRC.

Net Split

Netsplit adalah kondisi dimana network bisa terpisahkan, sehingga pengguna akan terpisahkan dengan pemain-pemain lain. Lamanya split ini tidak bisa ditebak, kadang hanya terjadi sebentar saja, tetapi terkadang juga dapat memakan waktu sampai berhari-hari.

Lag

Gangguan yang paling umum adalah "lag", dimana terjadi semacam hambatan ("delay") antara waktu saat pengguna mengetikkan suatu kalimat, dan waktu saat pemain lain membacanya. Cara mengatasinya adalah dengan memilih server yang dekat karena dapat mengurangi lag. Lag dapat diukur dengan menggunakan perintah /ping. Hal ini dapat ditanggulangi dengan mengganti server Anda, dengan menggunakan perintah /server nama.server.di.sini.

Daftar Server

Di client-client pada umumnya, bila pengguna mengetikkan /links akan memberikan daftar server-server yang ada di. Tetapi jika menggunakan perintah ini secara berlebihan (paling banyak 2 kali berturut-turut), pengguna akan dituduh untuk melakukan "link looking".
Ping? Pong!

Untuk para pengguna mIRC: Ping? Pong! di status, artinya server baru saja melakukan "ping" kepada client. Sebenarnya tujuannya adalah untuk melihat apakah pengguna masih berhubungan dengan server, dan Anda secara otomatis menjawab dengan "pong". Hal ini sebenarnya tidak perlu dikhawatirkan.

http://id.wikipedia.org/wiki/Internet_Relay_Chat
Dibuat oleh: Rendy XIPA2
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Japanese Social Networking - It's All Mobile!

Three-quarters of Japanese social network users access the sites only from their mobile phones.

This observation comes from a survey conducted last year with almost 4,000 social network users in Japan by Mobile Marketing Data Labo. They found that 75.4% of respondents only accessed social networking sites from their mobile phone (and not from their PC). The number only accessing it from their PC (and not their mobile phone) was very low at just 2%.

This is a reflection on the mobile nature of the internet in Japan where 3G penetration stands at 95% of the market and 85% of customers have a data plan added to their contract. This is a much more developed mobile market than we see in Europe or North America and their use of mobile online services is world-leading.

These an other insights into the Japanese mobile social networking market is found in the great presentation below from Alexei Poliakov.

There is much that we can all learn from looking at the use of mobile internet, and the way it has influenced social networks in Japan. Whilst in other markets the growth in social networks sees a growth the likes of Twitter and Facebook, in Japan, homegrown social networks dominate. This is, in part, a result of the English-centric focus of these sites, at least initially. But also mobile social networking leads to a different type of site and different uses by consumers. In Japan, mixi and Mobage-town and Gree are incredibly successful social networks. Mixi has a reported 17 million users in Japan, compared with 1.4 million Facebook users and about half a million Japanese people on Twitter.

These social networks are very different in two main ways:

  1. They put gaming either central to or highly within the user experience. Facebook and Twitter tend to be about content exchange or organisation whereas the Japanese social networks have a strong gaming element that attracts and connects users.
  2. Premium content is often paid-for. Mixi, in particular, provides premium content and features at a fee to users and this is easily done by adding it to their mobile bill. (This trend explained the rumours that Twitter would charge for access in Japan)

Whilst it is unlikely that other markets will necessarily develop in the same way, it is interesting to see how these sites work and operate in Japan. An increasing penetration of 3G access and data-plan adoption in Europe, and the US, will see more and more people using their mobile as a major access point to the internet in 2010. And with social networking sites from Facebook to Twitter becoming more mobile friendly (such as the launch of push notifications on the iPhone from the Facebook app this week in the UK) it is likely that use of social networks from mobile devices will increase this year.

So we should learn more about what is happening in the more developed mobile markets like Japan. Whether it is simple things – such as brands allowing customers to complete a whole journey (from social networking site to purchased item) on convenient mobile platforms. Or more complex things – such as the adoption of paid-for add-ons to the mobile social networking experience. There is a lot for us to observe and a lot we should experiment with.


Source : http://www.socialmediatoday.com/SMC/163718

Published by, SILVIA HALIM PRANOTO


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Email

EMAIL


Email / Surat elektronik adalah sarana kirim mengirim surat melalui jalur Internet.

Dengan surat biasa umumnya pengirim perlu membayar per pengiriman (dengan membeli perangko), tetapi email kebanyakan gratis Tapi ada perkecualian misalnya email ke telepon genggam, kadang pembayarannya ditagih per pengiriman.

Sejarah

Email sudah mulai dipakai di tahun 1960-an. Pada saat itu Internet belum terbentuk, yang ada hanyalah kumpulan 'mainframe' yang terbentuk sebagai jaringan. Mulai tahun 1980-an, email sudah bisa dinikmati oleh khalayak umum. Sekarang ini banyak perusahaan pos di berbagai negara menurun penghasilannya disebabkan masyarakat sudah tidak memakai jasa pos lagi.

Contoh:

emailsaya@surabaya.vibriel.net.id

Keterangan:

* emailsaya: nama kotak surat (mailbox) atau nama pengguna (username) yang ingin dituju dalam mailserver
* surabaya.vibriel.net.id: nama mailserver tempat pengguna yang dituju, rinciannya:
o surabaya: subdomain (milik pemegang nama domain), biasanya merujuk ke suatu komputer dalam lingkungan pemilik domain
o vibriel: nama domain, biasanya menunjukkan nama perusahaan/organisasi/perorangan (Vibriel)
o net: second level domain, menunjukkan bahwa domain ini termasuk kategori networking (net)
o id: top level domain, menunjukkan bahwa domain ini terdaftar di otoritas domain Indonesia (id)

Metode pengiriman

Untuk mengirim surat elektronik kita memerlukan suatu program mail-client. Surat elektronik yang kita kirim akan melalui beberapa poin sebelum sampai di tujuan. Untuk lebih jelasnya lihat diagram dibawah. Contoh yang dipakai adalah layanan SMTP dan POP3.

Saya menulis surel → e-mail client (di komputer saya) → SMTP server penyedia e-mail saya → Internet → POP3 server penyedia e-mail penerima → e-mail client (di komputer si penerima) → surat dibaca si penerima

Terlihat surat elektronik yang terkirim hanya melalui 5 poin (selain komputer pengirim dan penerima). Sebenarnya lebih dari itu sebab setelah surat elektronik meninggalkan POP3 Server maka itu akan melalui banyak server-server lainnya. Tidak tertutup kemungkinan surat elektronik yang kita kirim disadap orang lain. Maka dari itu bila surat elektronik yang kita kirim mengandung isi yang sensitif sebaiknya kita melakukan tindakan pencegahan, dengan mengacak (enkrip) data dalam surat elektronik tersebut (contohnya menggunakan PGP, sertifikat digital, dan lain-lain)

Cara membaca surat elektronik

Surat elektronik pada mulanya disimpan di dalam sebuah mailserver. Biasanya bila seseorang memakai koneksi ISP untuk sambungan ke internet, ia akan diberikan satu surat elektronik gratis. Surat elektronik yang diterima akan disimpan di server surat elektronik ISP.

Ada dua cara untuk mengakses surat elektronik:

* Dengan cara menggunakan 'browser', seperti Internet Explorer atau Mozilla Firefox. Metode ini disebut sebagai web-based, artinya kita menggunakan media web sebagai perantara ke kotak surat elektronik. Contoh: Yahoo! Mail dan Gmail. Untuk menggunakannya, pengguna haruslah dalam keadaan online. Layanan surat elektronik berbasis web biasanya disediakan oleh penyelenggara layanan email gratis.

* Menggunakan program pengakses surat elektronik (e-mail client), seperti: Eudora Mail, Outlook Express, Windows Mail, Mozilla Thunderbird, Mutt. Dengan menggunakan program seperti ini, seseorang harus mengetahui konfigurasi yang bisa didapat dari ISP. Keuntungannya adalah dapat membaca surat elektronik tanpa perlu terhubung secara terus-menerus dengan internet dan puluhan surat elektronik dapat diterima dan dikirimkan secara bersama-sama sekaligus. Kelebihan yang lainnya adalah perangkat lunak ini menyediakan fungsi-fungsi penyuntingan dan pembacaan email secara offline. Dengan demikian biaya koneksi ke internet dapat dihemat.

Etika penggunaan surat elektronik

Etika dalam surat elektronik sama dengan etika dalam menulis surat biasa. Ada surat elektronik yang isinya formal ada yang informal. Beberapa poin penting:

* Jangan mengirim surat elektronik dengan lampiran (attachment) yang terlalu besar (lebih dari 512 kB). Tidak semua orang mempunyai akses Internet yang cepat, dan ada kemungkinan lampiran tersebut melebihi kapasitas surat elektronik penerima, sehingga akan ditolak mailserver penerima. Selain itu, perhatikan juga bahwa beberapa penyedia surat elektronik juga menerapkan batasan tentang jumlah, jenis, dan ukuran surat elektronik yang dapat diterima (dan dikirim) penggunanya,
* Jangan mengirim lanjut (forward) surat elektronik tanpa berpikir kegunaan bagi orang yang dituju.
* Selalu isi kolom subjek, jangan dibiarkan kosong.
* Dalam mengutip tulisan orang lain, selalu usahakan mengutip seperlunya, jangan mau gampangnya mengutip seluruh tulisan orang itu:
o dalam menjawab surat elektronik orang lain, kutip bagian yang kita tanggapi saja, selain lebih jelas juga tidak memakan waktu / jatah akses penerima,
o dalam mengutip tulisan orang ketiga, ingat hak cipta: kutip sesedikit mungkin dan rujuk ke tulisan aslinya.
* Jangan menggunakan huruf kapital karena dapat menimbulkan kesan anda BERTERIAK.
* Gunakan kata-kata dengan santun. Adakalanya sesuatu yang kita tulis akan terkesan berbeda dengan apa yang sebetulnya kita maksudkan.

Keamanan

Keamanan data di surat elektronik tidaklah terjamin dan selalu ada risiko terbuka untuk umum, dalam artian semua isinya dapat dibaca oleh orang lain. Hal ini disebabkan oleh karena surat elektronik itu akan melewati banyak server sebelum sampai di tujuan. Tidak tertutup kemungkinan ada orang yang menyadap surat elektronik yang dikirimkan tersebut.

Surat elektronik dapat diamankan dengan melakukan teknik pengacakan (enkripsi). Salah satu program enkripsi yang populer adalah PGP (Pretty Good Privacy). Dengan memakai PGP maka isi akan dienkrip, dan hanya orang yang tertuju dapat mendekripsi dan membaca surat elektronik tersebut. Kerugiannya adalah membuat repot pihak pengirim dan penerima (karena keduanya harus memiliki program PGP, dan pengirim juga harus memiliki kunci umum penerima, dan melakukan enkripsi pesan dengan kunci tersebut).

sumber: http://id.wikipedia.org/wiki/E-mail
Dibuat oleh: Rendy XIPA2
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Which Internet Browser is Fastest for Windows?


When it comes to benchmarks Legit Reviews has run our fair share of them over the past seven years, but we've never run a benchmark that is dedicated to looking at the performance of internet browsers. Futuremark Corporation today unveiled Peacekeeper, a free online benchmarking tool for measuring and comparing the performance of common internet browsers. Futuremark claims that the benchmark realistically simulates the load placed on the browser by common JavaScript functions as used by popular, modern web 2.0 websites. For users who prioritize speed and performance, Peacekeeper helps answer the question of which browser is best for them. The press release that Futuremark sent out with the announcement talked about benchmark results using a PC with an Intel Core 2 Duo E8400 processor, so I figured we'd look at entry level performance numbers on a system like a Netbook. After all, if anyone needs to know how to make their PC experience better it is someone on a system that runs slowly! If you've ever used a netbook with an Intel Atom processor you'll know that the platform works, but is slower than what you are used to on a traditional PC.



Rather than testing out the browsers on an ASUS Eee PC or MSI Wind netbook we are going to do one better for you. We actually happen to have one of the prototype NVIDIA Ion platforms on the test bench this week, so what better to benchmark than it! The NVIDIA Ion platform has been one of the most anticipated platforms since it was shown off at CES back in January 2009 and even more so when the performance numbers were released later that same month. Since then the NVIDIA Ion uses the Intel Atom 230 processor, a single 2GB DDR2 533MHz SO-DIMM memory module, and the GeForce 9400M 256MB graphics processing unit it is basically what one will find in many netbooks. If you want to see the specifics on the test platform click here; otherwise we are headed straight to testing the 11 browsers that we downloaded and benchmarked.

The 11 Browsers Benchmarked:



  1. Apple Safari 4.0 beta

  2. Firefox 3.0.7

  3. Firefox 3.1 beta 2

  4. Firefox 3.1 beta 3

  5. Google Chrome 1.0.154.48

  6. Internet Explorer 7.0

  7. Internet Explorer 8.0 beta 2

  8. Opera 9.64

  9. Opera 10.00 alpha

  10. SeaMonkey 1.1.14

  11. SeaMonkey 2.0 alpha 3


To create the tests Futuremark used a profiler to analyze JavaScript usage while browsing popular websites such as YouTube, Facebook, GMail and Meebo. The profiler collected data on the frequency in which different JavaScript functions were called on these sites and Futuremark used this data to create specific weighted tests for each function. The end result is a benchmark and shows 'true' JavaScript performance on browsers that can be run on any operating system and platform as long as it can run JavaScript.





Using a resolution of 1920x1200 and no other applications open, we fired up the brand new Peacemaker benchmark to see which was the fastest browser. After the dust settled Apple's Safari 4.0 beta was clearly in the lead and was found to be over six times faster than the slowest browser, Microsoft's Internet Explorer 7.0. It should be pointed out that SeaMonkey 2.0 Alpha 3 did very well and offers significant improvements over SeaMonkey 1.1.14. Firefox 3.1 beta 3 was just released this afternoon and it offers better performance than the previous beta. Google Chrome and Opera were at the top of the performance list as well, but what does all of this mean to our readers?

To find out the answer to the question I kept Jukka Mäkinen, the Vice President of PC Products and Services, from going to bed early tonight. I told Mr. Mäkinen that Legit Reviews tested 11 browsers and found a 6x difference between the slowest and the fastest browser. I then asked what the results mean for real world performance and if users will see a 6x performance improvement when changing browsers or just on pages that use a certain style of scripting. His answer was short and to the point:

Users will see a 6x performance increase in running scripts. However, this may not directly translate to 6x faster browsing experience, as a variety of other factors also play a part - such as the speed of your internet connection. On script heavy websites (many popular web2.0 sites fall into this category), the performance difference is quite tangible. - Jukka Mäkinen

If you are looking to find the fastest Microsoft Windows based browser it looks like Safari 4.0 Beta is the fastest thing out there that you can download today. With the rising popularity of netbooks and small form factor PCs the speed of a browser will become more important as many of the social networking sites are still growing and feature web 2.0 scripting. The one negative about this benchmark is that it is all about scripting speed and not the features that each browser offers. If you'd like more details on what exactly the Peacemaker benchmark is testing be sure to check out the FAQ and try out the benchmark as it is free!

Legit Bottom Line: After testing 11 browsers Apple's Safari 4.0 Beta proved to be the quickest for script heavy web sites.

Source: http://www.legitreviews.com/article/929/1/

Published by: Bianda V
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Social Networking Sites


Quick Facts

While social networking sites can increase a person's circle of friends, they also can increase exposure to people with less than friendly intentions.

Here are tips for helping your kids use social networking sites safely:

  • Help your kids understand what information should be private.
  • Explain that kids should post only information that you – and they – are comfortable with others seeing.
  • Use privacy settings to restrict who can access and post on your child's website.
  • Remind your kids that once they post information online, they can't take it back.
  • Talk to your kids about avoiding sex talk online.
  • Tell your kids to trust their gut if they have suspicions. If they ever feel uncomfortable or threatened by anything online, encourage them to tell you.

Social Networking Sites: A Parent's Guide

"It's 10 p.m. Do you know where your children are?"

Remember that phrase from your own childhood? It's still a valid question, but now, it comes with a twist: "Do you know where your kids are — and who they're chatting with online?"

Social networking sites have morphed into a mainstream medium for teens and adults. These sites encourage and enable people to exchange information about themselves, share pictures and videos, and use blogs and private messaging to communicate with friends, others who share interests, and sometimes even the world-at-large. And that's why it's important to be aware of the possible pitfalls that come with networking online.

Some social networking sites attract pre-teens – even kids as young as 5 or 6. These younger-focused sites don't allow the same kinds of communication that teens and adults have, but there are still things that parents can do to help young kids socialize safely online. In fact, when it comes to young kids, the law provides some protections – and gives parents some control over the type of information that children can disclose online. For sites directed to children under age 13, and for general audience sites that know they're dealing with kids younger than 13, there's the Children's Online Privacy Protection Act (COPPA). It requires these sites to get parental consent before they collect, maintain, or use kids' information. COPPA also allows parents to review their child's online profiles and blog pages.

Parents sometimes can feel outpaced by their technologically savvy kids. Technology aside, there are lessons that parents can teach to help kids stay safer as they socialize online.

Help Kids Socialize Safely Online

OnGuard Online shares these tips for safe social networking:

  • Help your kids understand what information should be private. Tell them why it's important to keep some things – about themselves, family members and friends – to themselves. Information like their full name, Social Security number, street address, phone number, and family financial information — like bank or credit card account numbers — is private and should stay that way. Tell them not to choose a screen name that gives away too much personal information.
  • Use privacy settings to restrict who can access and post on your child's website. Some social networking sites have strong privacy settings. Show your child how to use these settings to limit who can view their online profile, and explain to them why this is important.
  • Explain that kids should post only information that you — and they — are comfortable with others seeing. Even if privacy settings are turned on, some — or even all — of your child's profile may be seen by a broader audience than you're comfortable with. Encourage your child to think about the language used in a blog, and to think before posting pictures and videos. Employers, college admissions officers, team coaches, and teachers may view your child's postings. Even a kid's screen name could make a difference. Encourage teens to think about the impression that screen names could make.
  • Remind your kids that once they post information online, they can't take it back. Even if they delete the information from a site, older versions may exist on other people's computers and be circulated online.
  • Know how your kids are getting online. More and more, kids are accessing the Internet through their cell phones. Find out about what limits you can place on your child's cell phone. Some cellular companies have plans that limit downloads, Internet access, and texting; other plans allow kids to use those features only at certain times of day.
  • Talk to your kids about bullying. Online bullying can take many forms, from spreading rumors online and posting or forwarding private messages without the sender's OK, to sending threatening messages. Tell your kids that the words they type and the images they post can have real-world consequences. They can make the target of the bullying feel bad, make the sender look bad – and, sometimes, can bring on punishment from the authorities. Encourage your kids to talk to you if they feel targeted by a bully.
  • Talk to your kids about avoiding sex talk online. Recent research shows that teens who don't talk about sex with strangers online are less likely to come in contact with a predator. If you're concerned that your child is engaging in risky online behavior, you can search the blog sites they visit to see what information they're posting. Try searching by their name, nickname, school, hobbies, grade, or area where you live.
  • Tell your kids to trust their gut if they have suspicions. If they feel threatened by someone or uncomfortable because of something online, encourage them to tell you. You can then help them report concerns to the police and to the social networking site. Most sites have links where users can immediately report abusive, suspicious, or inappropriate online behavior.
  • Read sites' privacy policies. Spend some time with a site's privacy policy, FAQs, and parent sections to understand its features and privacy controls. The site should spell out your rights as a parent to review and delete your child's profile if your child is younger than 13.

A Few More Tips to Protect Pre-Teens
Many of the tips above apply for pre-teens, but parents of younger children also can:

  • Take extra steps to protect younger kids. Keep the computer in an open area like the kitchen or family room, so you can keep an eye on what your kids are doing online. Use the Internet with them to help develop safe surfing habits. Consider taking advantage of parental control features on some operating systems that let you manage your kids' computer use, including what sites they can visit, whether they can download items, or what time of day they can be online.
  • Go where your kids go online. Sign up for – and use – the social networking spaces that your kids visit. Let them know that you're there, and help teach them how to act as they socialize online.
  • Review your child's friends list. You may want to limit your child's online “friends” to people your child actually knows and is friendly with in real life.
  • Understand sites' privacy policies. Sites should spell out your rights as a parent to review and delete your child's profile if your child is younger than 13.
For More Information

To learn more about staying safe online, visit the websites of the following organizations:

Federal Trade Commission — www.OnGuardOnline.gov

The FTC works for the consumer to prevent fraudulent, deceptive, and unfair business practices in the marketplace and to provide information to help consumers spot, stop, and avoid them. To file a complaint or to get free information on consumer issues, visit ftc.gov or call toll-free, 1-877-FTC-HELP (1-877-382-4357); TTY: 1-866-653-4261.

The FTC manages OnGuardOnline.gov, which provides practical tips from the federal government and the technology industry to help you be on guard against Internet fraud, secure your computer, and protect your personal information.

ConnectSafely — www.connectsafely.org

ConnectSafely is a forum for parents, teens, educators, and advocates designed to give teens and parents a voice in the public discussion about youth online safety, and has tips, as well as other resources, for safe blogging and social networking. Along with NetFamilyNews.org, it is a project of the non- profit Tech Parenting Group.

Cyberbully411 — www.cyberbully411.org

Cyberbully411 provides resources and opportunities for discussion and sharing for youth - and their parents - who have questions about or may have been targeted by online harassment. The website was created by the non-profit Internet Solutions for Kids, Inc., with funding from the Community Technology Foundation of California.
GetNetWise — www.getnetwise.org

GetNetWise is a public service sponsored by Internet industry corporations and public interest organizations to help ensure that Internet users have safe, constructive, and educational or entertaining online experiences. The GetNetWise coalition works to provide Internet users with the resources they need to make informed decisions about their and their family's use of the Internet.

Internet Keep Safe Coalition — www.iKeepSafe.org

iKeepSafe.org is a coalition of 49 governors/first spouses, law enforcement, the American Medical Association, the American Academy of Pediatrics, and other associations dedicated to helping parents, educators, and caregivers by providing tools and guidelines to promote safe Internet and technology use among children.

National Center for Missing and Exploited Children — www.missingkids.com; www.netsmartz.org

NCMEC is a private, non-profit organization that helps prevent child abduction and sexual exploitation; helps find missing children; and assists victims of child abduction and sexual exploitation, their families, and the professionals who serve them.

staysafe — www.staysafe.org

staysafe.org is an educational site intended to help consumers understand both the positive aspects of the Internet as well as how to manage a variety of safety and security issues that exist online.

Wired Safety — www.wiredsafety.org

WiredSafety.org is an Internet safety and help group. WiredSafety.org provides education, assistance, and awareness on cybercrime and abuse, privacy, security, and responsible technology use. It is also the parent group of Teenangels.org, FBI-trained teens and preteens who promote Internet safety.


What to Do if There's a Problem

Trust your gut if you have suspicions. If you feel threatened by someone or uncomfortable because of something online, tell an adult you trust, and report it to the police and the social networking site.

The Children's Online Privacy Protection Act (COPPA) requires websites to obtain parental consent before collecting, using, or disclosing personal information from children under age 13. If a website is violating COPPA, report it to the Federal Trade Commission.



Published by, SILVIA HALIM PRANOTO

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Microsoft Excel

Microsoft Excel


Microsoft Excel atau Microsoft Office Excel adalah sebuah program aplikasi lembar kerja spreadsheet yang dibuat dan didistribusikan oleh Microsoft Corporation untuk sistem operasi Microsoft Windows dan Mac OS. Aplikasi ini memiliki fitur kalkulasi dan pembuatan grafik yang, dengan menggunakan strategi marketing Microsoft yang agresif, menjadikan Microsoft Excel sebagai salah satu program komputer yang populer digunakan di dalam komputer mikro hingga saat ini. Bahkan, saat ini program ini merupakan program spreadsheet paling banyak digunakan oleh banyak pihak, baik di platform PC berbasis Windows maupun platform Macintosh berbasis Mac OS, semenjak versi 5.0 diterbitkan pada tahun 1993. Aplikasi ini merupakan bagian dari Microsoft Office System, dan versi terakhir adalah versi Microsoft Office Excel 2007 yang diintegrasikan di dalam paket Microsoft Office System 2007.

http://id.wikipedia.org/wiki/Microsoft_Excel

Dibuat oleh : Besaliel (11 IPA 2)
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Microsoft PowerPoint

Microsoft PowerPoint



Microsoft PowerPoint atau Microsoft Office PowerPoint adalah sebuah program komputer untuk presentasi yang dikembangkan oleh Microsoft di dalam paket aplikasi kantoran mereka, Microsoft Office, selain Microsoft Word, Excel, Access dan beberapa program lainnya. PowerPoint berjalan di atas komputer PC berbasis sistem operasi Microsoft Windows dan juga Apple Macintosh yang menggunakan sistem operasi Apple Mac OS, meskipun pada awalnya aplikasi ini berjalan di atas sistem operasi Xenix. Aplikasi ini sangat banyak digunakan, apalagi oleh kalangan perkantoran dan pebisnis, para pendidik, siswa, dan trainer. Dimulai pada versi Microsoft Office System 2003, Microsoft mengganti nama dari sebelumnya Microsoft PowerPoint saja menjadi Microsoft Office PowerPoint. Versi terbaru dari PowerPoint adalah versi 12 (Microsoft Office PowerPoint 2007), yang tergabung ke dalam paket Microsoft Office System 2007.

http://id.wikipedia.org/wiki/Microsoft_PowerPoint


Dibuat oleh : Besaliel (11 IPA 2)
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Microsoft Access

Microsoft Access


Microsoft Access (atau Microsoft Office Access) adalah sebuah program aplikasi basis data komputer relasional yang ditujukan untuk kalangan rumahan dan perusahaan kecil hingga menengah. Aplikasi ini merupakan anggota dari beberapa aplikasi Microsoft Office, selain tentunya Microsoft Word, Microsoft Excel, dan Microsoft PowerPoint. Aplikasi ini menggunakan mesin basis data Microsoft Jet Database Engine, dan juga menggunakan tampilan grafis yang intuitif sehingga memudahkan pengguna. Versi terakhir adalah Microsoft Office Access 2007 yang termasuk ke dalam Microsoft Office System 2007.

Microsoft Access dapat menggunakan data yang disimpan di dalam format Microsoft Access, Microsoft Jet Database Engine, Microsoft SQL Server, Oracle Database, atau semua kontainer basis data yang mendukung standar ODBC. Para pengguna/programmer yang mahir dapat menggunakannya untuk mengembangkan perangkat lunak aplikasi yang kompleks, sementara para programmer yang kurang mahir dapat menggunakannya untuk mengembangkan perangkat lunak aplikasi yang sederhana. Access juga mendukung teknik-teknik pemrograman berorientasi objek, tetapi tidak dapat digolongkan ke dalam perangkat bantu pemrograman berorientasi objek.

http://id.wikipedia.org/wiki/Microsoft_Access

Dibuat oleh : Besaliel (11 IPA 2)
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Microsoft FrontPage

Microsoft FrontPage



Microsoft FrontPage (atau Microsoft Office FrontPage) merupakan sebuah program aplikasi editor HTML yang berbasis WYSIWYG dan juga bertindak sebagai alat bantu administrasi situs web yang dikembangkan oleh Microsoft untuk jajaran sistem operasi Windows. Aplikasi ini merupakan bagian dari Microsoft Office dari tahun 1997 hingga 2003. Versi Macintosh-nya pun pernah dimunculkan pada tahun 1998, tapi tidak dikembangkan lagi. FrontPage sekarang telah usang, dan digantikan oleh Microsoft Expression Web dan Microsoft SharePoint Designer, yang dirilis pada bulan Desember 2006.

Salah satu fitur yang terkenal dari FrontPage adalah dukungannya terhadap template Web yang otomatis yang terintegrasi. Perbedaan utama antara template Web dengan template HTML yang dibuat oleh produk lainnya adalah bahwa template yang dibuat oleh FrontPage mencakup sistem navigasi otomatis yang mampu menciptakan tombol-tombol yang dianimasikan untuk beberapa halaman yang telah ditambahkan oleh pengguna. FrontPage juga dapat membuat navigasi multi-level secara langsung dengan menggunakan tombol dan juga struktur situs Web yang sedang disunting.

http://id.wikipedia.org/wiki/Microsoft_FrontPage

Dibuat oleh : Besaliel (11 IPA 2)
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Email

Browsing

Sebelum mengetahui pengertian browsing, kita perlu tahu terlebih dahulu pengertian web atau homepage. Web adalah kumpulan dokumen yang bisa diakses baik secara remote ataupun lokal yang bisa diakses oleh semua orang dengan menggunakan software yang bernama web browser. Browsing adalah proses mengakses konten web dengan menggunakan web browser.

Web browser yang bisa kita gunakan bermacam-macam. Yang paling terkenal adalah Internet Explorer keluaran Microsoft. Selain itu, ada juga Mozilla, Netscape, Opera, dan lain sebagainya.

Berikut ini perbandingan beberapa web browser yang bekerja pada system operasi Microsoft Windows yang dirangkum dari http://hotwired.lycos.com/webmonkey/reference/browser_chart/

Agar browser kita bisa mengakses internet, kita harus melakukan setting proxy. Untuk Internet Explorer, cara melakukan setting proxy adalah sebagai berikut :

Klik Tool | Internet Options. Apabila muncul tampilan window baru, klik Connection, kemudian click LAN Setting. Ketika muncul window baru, check list pada bagian use a proxy server for your LAN dan isi address dengan cache.itb.ac.id dan port dengan 8080. kemudian klik Advanced. Akan muncul window baru sebagai berikut :

isikan *.itb.ac.id pada do not use proxy server for address beginning with:.

Untuk mengakses web, ketikkan alamat web yang akan anda kunjugi pada Address di Internet Explorer anda. misal anda ingin mengakses www.google.com, ketikkan alamat tersebut di address internet explorer. Apabila anda diminta memasukkan user name & password, masukkan username dan password ai3 anda. untuk informasi lebih lengkap tentang username dan password ai3, klik http://nic.itb.ac.id

Secara default, web browser akan mengakses www (world wide web) apabila kita tidak mengetikkan protokol yang digunakan. www menggunakan http (hyper text transfer protocol) untuk berkoneksi. Apabila kita ingin mengakses protokol lain, misal ftp (file transfer protocol), cukup mengetikkan ftp:// diikuti nama ftp server pada bagian address. Misal : ftp://kuda.ee.itb.ac.id

Sumber: http://students.ee.itb.ac.id/~fajri/manual/browsing.doc
Dibuat oleh: Rendy XIPA2

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Too Much Information On Social Networking Sites, you may be giving away more than you think

Popular websites like Facebook, MySpace, LinkedIn, Flickr, Blogspot, and Xanga make it easy to build a web of friends and acquaintances, and share with them your photos, whereabouts, contact information, and interests.

But be thoughtful about what you post; don’t put your safety or your future at risk.

Never forget: the words and images you post on the Internet may be available for years, and your profile may be viewed by future employers and school admissions officials, as well as identity thieves, spammers, and stalkers.

Social networking sites explained

Sometimes called “friend-of-a-friend” sites, social networking websites build upon the concept of traditional social networks in the “real world,” connecting users to familiar and new people through mutual acquaintances and common interests.

The very nature of such sites encourages users to provide a certain amount of personal information. But when deciding how much information to reveal, people may not exercise the same amount of caution on a Website as they would when meeting someone in person. This happens because:

  1. the Internet provides a sense of anonymity;
  2. the lack of physical interaction provides a false sense of security; and
  3. they tailor the information for their friends to read, forgetting that others may see it.

Sharing too much information on social networking sites can be problematic in two ways: first, it can reveal something about you that you’d rather your current or future employer or school administrator not know, and second, it can put your personal safety at risk.

Making your online profile work for you instead of against you


Recent media coverage has highlighted a new, fast-growing trend among corporate recruiters and school admissions officials: more than just Googling candidates, many are now monitoring social networking sites, too. Recent studies have shown that 1 in 10 admissions officers checks for candidates on social networking sites and 38 percent of the time, this leads to rejections. These numbers are likely to continue to climb in coming years.

So what’s the best course of action? Use your online profile to your advantage!

Treat it like a free place to promote yourself personally and professionally while staying connected with both nearby and far-flung friends, relatives, colleagues, and acquaintances. When applying to schools or conducting a job search, this is particularly true.

So, if you mentioned on your resume that you volunteer in your community, can speak another language, or travel for work or pleasure—then “round out” your claim by backing it up online. Share photos of your recent trip, or of you doing community service work. Similarly, if you have expertise in a certain subject area, create an online “portfolio” of sorts: post links to items you’ve written or developed or artwork you’ve created. This way, if they search for you online and find you—and again, statistics show that increasingly that’s exactly what’s happening—what they discover will actually bolster your application!

Just a quick background check...

By the same token, Web pages containing risqué photos and provocative comments about drinking, recreational drug use, and hookups can make applicants look immature and lacking in professional judgment. And most take what is posted very seriously, as it reveals the applicant’s level of common sense and gives insight into their personality.

Many people share such things because they mistakenly believe their page will have relative privacy—particularly on Facebook, a site that, at one time, had specific requirements to register and was not open to the general public. (That has changed in recent years, and Facebook is now open to non-University students.) But viewing personal profiles on Facebook can still be restricted to friends and others on the user’s campus, leading many students to assume that their posts are relatively private.

Reports have even surfaced recently of school administrators and police monitoring social networking sites like Facebook and MySpace to identify illegal activities, such as underage drinking, hazing, and other inappropriate conduct.

So, when deciding whether to post a racy picture, snide remark, or gruesome detail about last night’s party, the guiding principle should be the “grandmother test:” if you wouldn’t want her to see it, then don’t share it. Content that might be amusing and harmless to you and your friends may not be seen in the same light by an admissions officer, school official, or future employer. Instead, share the types of things that would make your grandmother proud of you. Those are the things you won’t regret posting later.

Remember, what happens on the Web stays on the Web. So use your online profile to reflect well...instead of poorly...on yourself.

Social networking sites can make life easier for spammers and stalkers

Another potential downside of social networking sites is that they allow others to know a person’s contact information, interests, habits, and whereabouts. Consequences of sharing this information can range from the relatively harmless but annoying—such as an increase in spam—to the potentially deadly—such as stalking.

While the vast majority of people using social networking sites do not pose a threat, malicious people may be drawn to them because of the accessibility and amount of personal information available on them.

Criminals can use information provided about a person’s birthday, location, routine, hobbies, and interests to impersonate a trusted friend or convince the unsuspecting that they have the authority to access personal or financial data. They can even use such info to guess your account passwords—which is why you should never have a password that uses the name of your pet, favorite band, hobby, birthday, or something else easily known about you. And stalkers will really appreciate your help if you post your daily routine and whereabouts online!

So, when deciding whether to post something, remember that the more information malicious people have about you, the easier it is for them to take advantage of you.

The risks to children and teens

Children and young teens are especially susceptible to the threats that social networking sites present. Although many of these sites have age restrictions, there is no real way to enforce these requirements, and children may misrepresent their ages so that they can join.

Predators may target children, teens, and other unsuspecting persons online—sometimes posing to be someone else—and then slowly“groom” them, forming relationships with them and then eventually convincing them to meet in person.

Parents should be sure they teach children about Internet safety, stay aware of kids’ online habits, and utilize all tools and resources available to them to help them monitor minors’ Internet use. Guiding children to appropriate websites and training teens to recognize inappropriate content and unsolicited contact will also help. Taking such steps will help children and teens become safe and responsible computer users.

Ways to protect yourself on social networking sites


  1. Limit who can see what you post. If you don’t want random users to see your contact information, you can limit the publication of that data. Just change your settings. You can also block users from having any contact with you should the need arise.
  • One simple and quick setting (on Facebook) you can change to increase privacy is to restrict the viewing of your profile only to users at your own college or to only your “friend” list. Most social networking sites offer similar ways to restrict access to personal information, but in all cases, the principle is the same: don’t advertise to the world what you’re doing or where you live.
  • But don’t forget that even if you limit who can see what you post, there are ways others can get around it to view your profile anyway.
  1. Limit what you post. Don’t share things that would make you vulnerable to unwanted contact (such as sharing your email address, physical address, or phone number) or to stalking (such as information about your schedule or routine).
  • Also, if your friends or connections post such information about you, make sure the combined information on their pages is not more than you would be comfortable with strangers knowing.

Remember, you can’t take it back!

Finally, it’s important to recognize that once you publish something online, it is available to other people and to search engines. You can’t retract it.

Even if you go back and remove the information from a site, it’s always possible that someone has already seen it. And they may have saved a copy.

In addition, some search engines “cache” copies of Web pages so that they open faster; these cached copies may be available a long time after a Web page has been deleted or altered. Some Web browsers, also, maintain a cache of the Web pages a user has visited, so the original version of your posting may be stored in someone else’s machine.

The bottom line? Once something is out there, there’s no guarantee you can take it back.

So, the advice mentioned above bears repeating: use your online profile as a free place to promote yourself professionally and academically. If you keep that approach in mind, you won’t post anything you’d regret later, and you’ll enjoy the benefits of staying connected with friends and acquaintances, while protecting yourself and even bolstering your resume.




Published by, SILVIA HALIM PRANOTO
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Google vs Yahoo




VERSUS




How Mozilla's Firefox trumps Internet Explorer



By Paul Boutin

I usually don't worry about PC viruses, but last week's Scob attack snapped me awake. The clever multi-stage assault, carried out by alleged Russian spam crime lords, infiltrated corporate Web servers and then used them to infect home computers. The software that Scob (also known as Download.ject) attempted to install on its victims' machines included a keystroke logger.


In less than a day, Internet administrators sterilized the infection by shutting down the Russian server that hosted the spyware. But not before a barrage of scary reports had circled the world. "Users are being told to avoid using Internet Explorer until Microsoft patches a serious security hole," the BBC warned. (Disclosure: Microsoft owns Slate.) CNET reporter Robert Lemos zeroed in on why the attack was so scary. "This time," he wrote, "the flaws affect every user of Internet Explorer." That's about 95 percent of all Net users. No matter how well they had protected themselves against viruses, spyware, and everything else in the past, they were still vulnerable to yet another flaw in Microsoft's browser.

Scob didn't get me, but it was enough to make me ditch Explorer in favor of the much less vulnerable Firefox browser. Firefox is built and distributed free by the Mozilla Organization, a small nonprofit corporation spun off last year from the fast-fading remnants of Netscape, which was absorbed by AOL in 1999. Firefox development and testing are mostly done by about a dozen Mozilla employees, plus a few dozen others at companies like IBM, Sun, and Red Hat. I've been using it for a week now, and I've all but forgotten about Explorer.

You've probably been told to dump Internet Explorer for a Mozilla browser before, by the same propeller-head geek who wants you to delete Windows from your hard drive and install Linux. You've ignored him, and good for you. Microsoft wiped out Netscape in the Browser Wars of the late 1990s not only because the company's management pushed the bounds of business ethics, but also because its engineers built a better browser. When Netscape CEO Jim Barksdale approved the Mozilla project—an open-source browser based on Netscape's code—in 1998, it seemed like a futile act of desperation.

But six years later, the surviving members of the Mozilla insurgency are staging a comeback. The latest version of Firefox, released this Monday, has a more professional look, online help, and a tool that automatically imports your bookmarks, history, site passwords, and other settings from Explorer. Meanwhile, all-conquering Internet Explorer has been stuck in the mud for the past year, as Microsoft stopped delivering new versions. The company now rolls out only an occasional fix as part of its Windows updates. Gates and company won the browser war, so why keep fighting it?

The problem is that hackers continue to find and exploit security holes in Explorer. Many of them take advantage of Explorer's ActiveX system, which lets Web sites download and install software onto visitors' computers, sometimes without users' knowledge. ActiveX was meant to make it easy to add the latest interactive multimedia and other features to sites, but instead it's become a tool for sneaking spyware onto unsuspecting PCs. That's why the U.S. Computer Emergency Readiness Team, a partnership between the tech industry and Homeland Security, recently took the unusual step of advising people to consider switching browsers. Whether or not you do, US-CERT advises increasing your Internet Explorer security settings, per Microsoft's instructions. (Alas, the higher setting disables parts of Slate's interface.) Even if you stop using Explorer, other programs on your computer may still automatically launch it to connect to sites.

Firefox eschews ActiveX and other well-known infection paths. You can configure it to automatically download most files when you click on them, but not .exe files, which are runnable programs. I thought this was a bug before I realized Firefox was saving me from myself, since .exe files could be viruses or stealth installers.

For actual Web surfing, Firefox's interface is familiar enough to Explorer users. There's hardly anything to say about it, which is a compliment. Some interactive features designed exclusively for Internet Explorer won't appear, such as the pop-up menus on Slate's table of contents. A few sites don't display properly, but they're pretty rare. More common are those that stupidly turn non-Explorer browsers away by claiming they're "unsupported." Trusty, useful ActiveX-powered sites such as Windows Update don't load at all, but that's the idea. You can always launch Internet Explorer for those when you need to.

Firefox also adds a productivity feature that Explorer has never gotten around to: tabbed browsing. You can open several Web pages in the same window and flip through them as tabs, similar to those used in some of Windows' dialog boxes. It's tough to understand why tabbed browsing is such an improvement until you've tried it. But if you're in the habit of opening a barrage of news and blog links every morning and then reading them afterward, or clicking on several Google results from the same search, tabbed browsing is an order of magnitude more efficient and organized than popping up a whole new window for each link.

That said, be aware that getting started with Firefox isn't a one-click operation. After installing the browser, you'll need to reinstall plug-ins for some programs, as well as Sun's Java engine for any Java-powered pages. Let me save you an hour of head-scratching here: Save Sun's Java installation file to your desktop, then go back to Firefox's menus and select File -> Open File to install the downloaded .xpi file into the browser. That'll work where other methods fail without explanation.

Once you're set up, it still takes a day or two to get used to the interface and feature differences between Explorer and Firefox, as well as the fact that your favorite sites may look a little different. That's why I left it out of Slate's 20-minute anti-virus plan. But if you've got time to make the switch, the peace of mind is worth it. Mozilla also makes a free e-mail program called Thunderbird and a calendar tool called Sunbird, if you want to avoid using Outlook and Outlook Express, two other virus carriers. They're nowhere near as feature-packed as Outlook, but the e-mail client includes a spam filter that works pretty well after you train it on four or five thousand messages—in my case, one week's mail.


Will Firefox make your computer hackproof? Even Mozilla's spokespeople stress that no software can be guaranteed to be safe, and that Firefox's XPInstall system could conceivably be tricked into installing a keystroke logger instead of Sun's Java engine. But for now, there's safety in numbers—the lack of them, that is. Internet Explorer is used by 95 percent of the world. Firefox's fan base adds up to 2 or 3 percent at most. Which browser do you think the Russian hackers are busily trying to break into again?





source: http://www.slate.com/id/2103152/



Published by: Bianda V

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