CS 214 Study Guide - Computer Hardware, Mainframe Computer, Supercomputer

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Types of computers include personal computers or workstations: midrange computers or servers, mainframe computers and supercomputers. Data processing the collection and manipulation of items of data to produce meaningful information. Data processing includes validation: sorting, summarization, aggregation, analysis reporting. A modern digital computer represents data using the binary numeral system. Nearly any other form of information can be converted into a string of bits, or binary digits, each of which has a value of 1 or 0. The byte: a unit of digital information that consists of eight bits historically used to encode a single character of text in a computer. Unit multiples of bytes include: kilobytes (1000 or 1024, megabytes (10002 or 10242, gigabytes (10003 or 10243) terabytes (10004 or 10244) Hardware component functions include input: processing, output, storage. Input components include keyboard: mouse touchpad touchscreen joystick, scanner, microphone, camera. Output components include: display, printers speakers. Storage components include fixed media hard drives: solid state drives removable media.

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