Presentation On Computer

Submitted By :NIHKIL JINDAL

COMPUTER

It is an electronic device that can perform a variety of operation in accordance with a set of instructions that is called program.Computer can access and process data millions of time faster than human can.

Components Of Computer

Input Devices

Output Devices

CPU

Memory

Computer

Input Devices An input device allows you to enter

information. The most fundamental pieces of

information are keystrokes on a keyboard and click with a mouse.

Input devices are essential for us to interact with computer.

Types Of Input Devices

Barcode Reader

Keyboard

Scanner Joystick

Mouse

OMR

Output Devices An output device is any device

used to send data from a computer to another device or user.

Most computer data output that is meant for humans is in the form of audio or video.

Types Of Output Devices

Monitor

Printers

Plotters

Speakers

Projector

Storage Devices A computer can store a vast amount of

information and can recall that information instantly and correctly when desired.

Categories Of Memory

Primary Memory

RAM

ROM

CPUCentral Processing Unit

The CPU of a computer is a piece of hardware that carries out instructions of a computer program.

It performs various Arithmetical , Logical and input/output operation of a computer system.

CPU is like the brain of the computer.

Categories Of CPU

ALU• Arithmetic Logic UnitCU• Control Unit

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