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Computer Components

Computer components are the basic discrete devices or physical entities in a computer system used to build a complete computer unit. All of the electronic and mechanical equipment in a computer is called the hardware.

Classification List

These devices/ computer parts can be sorted according to the role they play in the computer system.

Input Devices

These devices are used to get data into the computer system. In computing, an input device is a 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 keyboards, mouse, scanners, digital cameras and joysticks.

Processing Devices

A processor is an integrated circuit (IC) supplied on a single silicon chip. All of the components and pathways necessary for the movement of data around the processor are etched on this single chip. The processor’s function is to control the activities of the computer system. A computer program is made up of instructions and when the program is run, the processor is responsible for carrying out these instructions in an orderly fashion.

Output Devices

An output device lets a computer communicate with you. These devices display information on a screen, create printed copies or generate sound. Monitor, printers, and speakers are output devices. In computing, an output device is a piece of computer hardware equipment that uses receive data and commands from an information processing system (such as a computer or information appliance) in order to perform a task. This leads to the results of data processing carried out by the information processing system which converts the electronically generated information into a human-readable form. An input device lets you communicate with a computer. You can use input devices to enter information and issue commands. A keyboard, mouse and joystick are input devices.

Storage Devices

A storage device holds information. The computer uses information stored on these devices to perform tasks. The hard drive, the tape drive, the floppy disk, and the CD-ROM drive are storage devices. Data storage is the recording (storing) of information (data) in a storage medium. The recording is accomplished by virtually any form of energy. DNA and RNA, handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media.

Communication Devices

devices These can send the data to another computer system. There are several kinds of communications devices used in a computer, some that provide different ways of achieving the same functionality and some that provide more specialised services.

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