Computer
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A computer is a programmable device capable of executing arbitrary sequences of arithmetic or logical operations. Input devices like keyboards, mice, and scanners allow users to provide data and control signals, while output devices such as monitors and printers display or convey the processed information. This document outlines the definitions and functions of various input and output devices in computing.
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Computer
- 2. WHAT IS A COMPUTER?
- 3. A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or logical operations automatically.It is a programmable machine.The ability of computers to follow generalized sets of operations,called programs,enables them to perform an extremely wide range of tasks.
- 4. INPUT DEVICES 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.
- 5. Input devices are keyboards,mouse,scanners,digital cameras and joysticks
- 6. KEYBOARD Keyboards are a human interface device which is represented as a layout of buttons.
- 7. MOUSE A mouse consists of a ball or laser that tracks the movement of the device.
- 8. JOYSTICK These devices are primarily used for computer gaming.
- 10. Outputdevices are Monitors,printers,speakers and DVD or CD-ROM
- 11. PRINTERS A printer is a device that prints output to a page.
- 12. SPEAKERS Speakers are attached to computers for the output of sound.
- 13. DVD or CD- ROM A DVD or CD-ROM is a media device on which the user can write data and information.