HOW COMPUTERS WORK

HOW COMPUTERS WORK

A computer collects, processes, stores, and outputs information.

Input Devices

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.

Processing

                                                                                             The Central Processing Unit (CPU) is the main chip in a computer. The CPU processes instructions, performs calculations and manages the flow of information through a computer system. The CPU communicates with input, output, and storage devices to perform tasks.

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.

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.

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