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| A program or group of programs that are designed for users to accomplish a specific task. Word processors, Web browsers, games, database management programs, presentation programs are a few examples of applications. |
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| The process by which a computer system validates a user's logon information. |
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The process by which a user can associate specific permissions to each username. |
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| The smallest unit of information that a computer handles. A single bit can hold only one of two values, 0 or 1. |
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A combination of eight bits arranged in sequence.
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| Central Processing Unit (CPU) |
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The primary hardware device that interprets and runs the commands you give to the computer. |
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Programs that allow you to send and receive messages instantly. You can use a chat program to communicate with several people at the same time. |
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Instructions that you give to a computer for it to carry out an action. Commands are either typed by using a keyboard or are chosen from a menu. |
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A path or a link that connects computers or peripheral devices, such as printers and disk drives, to transfer information. |
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| Programs that are used by computers to exchange messages and files with other people in a digital format. |
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The rate at which the CPU can perform a task, such as moving data to and from RAM, or performing a numerical calculation. |
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The plural for the Latin word datum, meaning an item of information. |
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Programs that are used to store and manage data in an organized way. You can also use these programs to sort or search for information stored in a database. |
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| An on-screen work area that uses a combination of menus and icons |
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| Computers are made up of individual components such as a monitor, a keyboard, a system unit, and a printer. |
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The electronic form of the traditional postal mail. E-mail allows you to exchange messages and files over a network. |
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A container for programs and files in GUI interfaces. |
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The unit of data measurement equal to 1,024 MB, which is approximately one billion bytes. |
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| Graphical User Interface (GUI) |
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| A user interface which displays images and pictures that allows a computer user to interact with a computer easily. |
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Programs that are used to create and edit drawings. You can also use these programs to enhance photographs. |
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Computers that are smaller than laptop computers and provide fewer features compared to than desktop computers or laptop computers. Handheld computers are used for specific everyday tasks, such as managing personal data. |
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| The physical components of a computer. |
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A small image displayed on the screen to represent an object. |
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| A device used to provide information to a computer. A keyboard is an example of an input device. |
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| A worldwide collection of public networks that are linked to each other for information exchange. |
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