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30 Cards in this Set
- Front
- Back
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Access
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Refers to the responsibility of those having data to control who is able to use that data.
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Access time
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The period between the time the computer requests data from a secondary storage device and the time the transfer of data is completed.
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Accounts payable
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The activity that shows the money a company owes to its suppliers for the materials and services it has received.
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Accounts receivable
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The activity that shows what money has been received or is owed by customers.
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Accuracy
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Relates to the responsibility of those who collect data to ensure that the data is correct.
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Active desktop
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The Windows dektop view in which ôactive contentö from Web pages is displayed.
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Active-matrix monitor
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Monitor in which each pixel is independently activated. More colors with better clarity can be displayed.
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Ada
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Procedural language named after an English countess regarded as the first programmer; was originally designed for weapons systems but has commercial uses as well. Because of its structured design, modules of a large program can be written, compiled, and tested separately before the entire program is put together.
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Adapter card
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Optional device that plugs into a slot inside the system unit. Ports on the board allow cables to be connected from the expansion board to devices outside the system unit.
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Add-on
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Independent programs that can be executed by a browser.
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Advanced Research Project Agency Network (ARPANET)
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A national computer network from which the Internet developed.
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Agent
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Program for updating search engine
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Analog signal
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Signal that represents a range of frequencies, such as the human voice.
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Analytical graphs
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Form of graphics used to put numeric data into forms that are easier to analyze, such as bar charts, line graphs, and pie charts.
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Animation
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Feature involving special visual and sound effects.
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Antivirus programs
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Programs that guard a computer system from viruses or other damaging programs.
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Applets
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Java programs used on Web pages.
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Application generator
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Software with modules that have been preprogrammed to accomplish various tasks, such as calculation of overtime pay.
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Applications
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Programs such as word processing and spreadsheets.
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Application software
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Software that can perform useful work, such as word processing, cost estimating, or accounting tasks.
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Arithmetic-logic unit (ALU)
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The part of the CPU that performs arithmetic and logical operations.
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Artificial intelligence (AI):
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A field of computer science that attempts to develop computer systems that can mimic or simulate human thought processes and actions.
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ASCII (American Standard Code for Information Interchange
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Binary coding scheme widely used on all computers, including microcomputers.
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Assembly language
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Second generation of programming languages. These languages use abbreviations for program instructions.
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Asynchronous transmission
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Method whereby data is sent and received one byte at a time.
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Auction house sites
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Web sites that operate like a traditional auction to sell merchandise to bidders.
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Automated design tool
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Software package that evaluates hardware and software alternatives according to requirements given by the systems analyst.
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Backup programs
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Programs that make copies of files to be used in case the originals are lost or damaged.
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Bandwidth
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Bits-per-second transmission capability of a channel.
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Bar code
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Code consisting of vertical zebra-striped marks printed on product containers; read with a bar-code reader.
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