OCR AS Computing F451: Unit 1 sorted by syllabus points

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  • Created by: robyn
  • Created on: 26-04-12 11:16

1.1: Define the terms hardware, software, input device, storage device, and output device.

Hardware: the physical portions of the computer, including the electrical components (devices and circuits), electromechanical components (disk drives) and mechanical components (cabinet)

Software: a generic term for the components of a computer system that are intangible rather than physical. includes systems software which are the programs which keep the computer running, and applications software which is the software designed for a particular task, e.g. a word processor

Input Device: a device that can be used to transfer data, programs, or signals into a processor system.

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Output Device: any device that converts electrical signals representing data within a computer into a form that

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