Devices

Computer-Studies

OUTPUT DEVICES

OUTPUT DEVICES:  There are the physical components of a computer used to obtain results from computer after processing. There devices convert data from machine-readable format into human-readable format.
Examples:
(a) Monitor (b) Printer (c) Plotter (d) Speaker (e) Projector (f) Microfilm, etc.

Computer-Studies

KEYS ON KEYBOARD

KEYS ON KEYBOARD

A keyboard is an input device that resemble a typewriter, which is used to type text, numbers, symbols, commands and to give instructions to the computer.

Alphanumeric keys: These are used to type letters and numbers, the letters A – Z, a – z and the digital 0 – 9.

Computer-Studies

INPUT DEVICES

INPUT DEVICES

An 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 of input devices include keyboard, mouse, scanners, digital cameras and joysticks, etc.