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31 Cards in this Set
- Front
- Back
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Multitasking
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When the computer works on more than one task at a time.
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File Transfer Protocol (FTP)
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A method of transferring files form one computer to another.
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Uniform Resource Locator (URL)
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A string of characters that identifies the name of a web page, the computer the document is on, and the directories and subdirectories the document is in.
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Directory
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A way of organizing and grouping files on a disk so that the user is not overwhelmed by a long list of files.
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Firewall
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A device that blocks unauthorized access to an organization's local area network (LAN).
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Clipboard
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Temporary storage in memory used in cut and paste. When a portion of a document to be moved is selected and reinstated into the same or a different document, the information is temporarily stored in the clipboard.
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Wide-area Network (WAN)
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A type of network that spans large geographical areas.
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Database
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A type of program that includes any collection of data organized for storage in a computer memory and designed for easy access by authorized users.
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Format (a disk)
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Erases any preexisting information on the disk to organize the storage space on the disk and/or to prepare it for use.
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Encryption
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The process of converting messages, information or data into a form unreadable by anyone except the intended recipient. Encrypted data must be deciphered, or decrypted, before it can be read by the recipient.
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Word Processing
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A type of program used for manipulating text-based documents; the electronic equivalent of paper, pen, typewriter, eraser, and most likely, dictionary and thesaurus.
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Computer
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A machine that peforms tasks, such as mathematical calculations or electronic communication, under the control of a set of instructions called a program.
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Motherboard
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The main circuit board of a computer.
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Central Processing Unit (CPU)
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A microscopic circuitry that serves as the main information processor in a computer. Often called the "brain" of a computer, it translates commands and runs programs.
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World Wide Web (WWW)
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A computer based network of information resources that a user can move through by using links from one document to another. The WWW is a place where companies and institutions would want to display information about their products or research.
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Browser
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A type of computer program that allows you to connect to the Internet and display web pages.
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Megabyte
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A unit of storage that stores 1 million characters.
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Software
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A set of instructions that a computer uses to manipulate data.
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Monitor
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A device connected to the computer that displays information on a screen.
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Spreadsheet
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A type of program commonly used for budgets, forecasting, and other finance-related tasks. Data and formulas to calculate data are entered into ledger-like forms for analysis, tracking and planning.
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Graphical User Interface
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A display format that enables the user to choose commands, start programs, and see lists of files and other options by pointing to pictorial representations (icons) and lists of menu items on the screen.
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Read-only Memory
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Data stored that can be read but not modified.
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Operating Systems
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Examples include UNIX, Macintosh OS, MS-DOS, OS/2, Windows 95 and Windows 98.
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Server (host computer)
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A computer directly connected to the Internet or network that provides services to other computers on the network, such as e-mail connections or access to program and data files.
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Hard Disk
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A form of data storage on the computer that provides faster access to data than floppy disks. Hard disks are also capable of storing more information.
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Hardware
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Equipment involved in the function of a computer. The function of hardware includes input, output and storage.
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Password
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A security measure used to restrict acess to computer systems.
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Local Area Network (LAN)
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A type of network that consists of several PCs or workstations connected to a special computer called the server.
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Mouse
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An input device connected to a computer that facilitates pointing and clicking.
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Random Access Memory (RAM)
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Stores data temporarily in a computer's memory. RAM is used for running programs and goes away when the computer is turned off.
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Modem
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A device that enables computers, fascimile machines, and other equipment to communicate with each other across telephone lines.
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