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Input/output devices

Input and output devices.

TermDefinition
INPUT DEVICE is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or information appliance. Examples: keyboards, mice, scanners, digital cameras and joysticks.
KEYBOARD is a human interface device which is represented as a layout of buttons. Each button, or key, can be used to either input a linguistic character to a computer, or to call upon a particular function of the computer.
MOUSE Pointing devices are the most commonly used input devices today. A pointing device is any human interface device that allows a user to input spatial data to a computer.
OUTPUT DEVICE is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.
DISPLAY DEVICE is an output device that visually conveys text, graphics, and video information. Information shown on a display device is called soft copy because the information exists electronically and is displayed for a temporary period of time.
TYPES OF OUTPUT Text, graphics, tactile, audio, and video.
AUDIO Speech output systems can be used to read screen text to computer users.
Created by: Erika Aguilera
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