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Istilah IT PDF Print E-mail
Written by aav97   
Monday, 02 June 2008


  1. What is GIGO? Stands for "Garbage In, Garbage Out." It means that if invalid data is entered in a computer program, the resulting output will also be invalid. So if a program asked you to enter a letter of the alphabet and you decided to be funny and enter "3.14159", there's a good chance the results you would get back would be pretty messed up, or "garbage." Because we computer users aren't always smart enough to enter valid data, programmers have to take extensive mesaures to prevent GIGO errors.

  1. Virtual Private Network (VPN) - Rangkaian komunikasi yang menggunakan rangkaian persendirian selain rangkaian telefon suis awam (PSTN) sebagai tulang belakang Rangkaian Kawasan Luas (WAN).

  2. What is Adware? Adware is free software that is supported by advertisements. Common adware programs are toolbars that sit on your desktop or work in conjunction with your Web browser. They include features like advanced searching of the Web or your hard drive and better organization of your bookmarks and shortcuts. Adware can also be more advanced programs such as games or utilities. They are free to use, but require you to watch advertisements as long as the programs are open. Since the ads often allow you to click to a Web site, adware typically requires an active Internet connection to run.

  3. What is Bookmark? Similar to a real-life bookmark, an Internet bookmark acts as a marker for a Web site. (In Internet Explorer, they're called "Favorites".) When using a Web browser, you can simply select a bookmark from the browser's Bookmarks menu to go to a certain site. This way, you don't have to go through the redundant process of typing in the Internet address each time you visit one of your favorite sites. Also, who remembers those 200-character addresses anyway?

  4. Bandwidth - Lebar ruang dalam spektrum frekuensi yang dibatasi dua frekuensi. Unit lebar jalur adalah dalam hertz atau bit per saat
  1. Spamming - penghantaran e-mel remeh yang banyak kepada pelayan e-mel atau senarai e-mel atau papan buletin komputer yang meyebabkan peti e-mel penuh.

  2. What is Desktop? Your computer's desktop is much like a physical desktop. You probably keep a number of commonly used items on your desk such as pens, papers, folders, and other items. Your computer's desktop serves the same purpose -- to give you easy access to items on your hard drive. It is common to store frequently used files, folders, and programs on your desktop. This allows you to access the items quickly instead of digging through the directories on your hard drive each time you want to open them.
  1. What is Spyware? As the name implies, this is software that "spies" on your computer. Nobody likes to be spied on, and your computer doesn't like it either. Spyware can capture information like Web browsing habits, e-mail messages, usernames and passwords, and credit card information. If left unchecked, the software can transmit this data to another person's computer over the Internet.
    So how does spyware get on your computer? Just like viruses, spyware can be installed when you open an e-mail attachment containing the malicious software. It can also be installed when you install another program that has a spyware installer attached to it. Because of the insidious nature of spyware, most people don't even know when spyware is on their computer. Fortunately, you can purchase anti-spyware utilities that will search for spyware on your computer and stomp the unwanted software out of your system. A good way to prevent spyware from infecting your computer is to install a security program that lets you know when any program is being installed, so that you can choose to authorize or stop the installation.

  2. What is Error 403? Error 403: Forbidden means; the request is forbidden. You don't have an access to enter the site.

  3. What is Error 400? Error 400: Bad Request means; the request is incorrect.

  4. What is Error 404? Error 404: Not Found means; the requested resource no longer exists or has been moved, or the address may be misspelled.

  5. What is Error 503? Error 503: Service Unavailable means; the server took too long to answer and the connection timed out.

  6. What is Error 401? Error 401: Unauthorized means; the client does not have the required privileges to access the site.

  7. What is Error 500? Error 500: Internal Server Error means; the server encountered an unexpected condition that prevented it from fulfilling the request by the client for access to the requested URL.

  8. Junk Mail - E-mel yang diterima tetapi tidak relevan atau tidak berguna.

  9. Simple Mail Transfer Protocol (SMTP) - Protokol komunikasi untuk menghantar e-mel antara pelayan.

  10. Internet Protocol (IP) - Protokol rangkaian yang menyediakan komunikasi merentas rangkaian saling sambung antara komputer dengan kepelbagaian seni bina perkakasan dan sistem operasi.


Last Updated ( Monday, 02 June 2008 )
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