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CUT5 1.3

Computers: Understanding Tech 5e 1.3

data Raw, unorganized facts and figures, or unprocessed information.
information Data that’s been processed (organized, arranged, or calculated) in a way that converts it into a useful form, such as a report.
text data Data consisting of alphabet letters, numbers, and special characters, such as in spreadsheet formulas, and that typically enable the computer to produce output such as letters, email messages, reports, and sales and profit projections.
graphic data Data consisting of still images, including photographs, charts, drawings, and maps.
audio data Data consisting of sounds, such as recorded voice narration and music.
video data Data consisting of moving pictures and images, such as webcam data from a videoconference, a video clip, or a full-length movie.
information processing Using a computer to convert data into useful information. Also called data processing.
information processing cycle A cycle in which the computer accepts input (data), performs processing on the data, displays or sends the resulting output, and then keeps the output in storage if required for future use.
input The first step in the information processing cycle, or physically entering data into a computer or device.
processing The operations carried out in the computer’s electrical circuits that transforms input (data) into information or output.
output The information created as a result of computer processing; also the action of printing or displaying such information.
storage Recording processed output (information) on a medium such as a hard disk, flash drive, external hard disk, or cloud storage area for future use; also the media used to store the information.
Created by: softcrylic