Input-Devices

Computer (Primary Classes)

Computer as an IPO System

A computer is an electronic machine that works under the instructions given by us. In order to perform any work, a computer follows three steps: Input – Process – Output. It can accept data (Input), manipulate the data according to specified rules (Process) and produce results as information (Output). To put it more clearly: 1. […]

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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. An input device is any hardware device that sends data

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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. Punctuation Keys:

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Computer-Studies

COMPONENTS OF COMPUTER (INPUT DEVICES)

INPUT DEVICES These are hardware components used in entering data into the computer for processing. They convert data from human-readable form into machine readable format. They take information from the user of the computer, convert it into electronic signals and transmit it to the processor.   Examples of input devices are keyboard, mouse, joystick, microphone,

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