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Introduction

May 5th, 2021
AA
ARUN ARUN

Introduction and Basics

Definition : Computer is an electronic device which accepts the data, processes it and gives us output.
Input devices are used to input data in system.
Following are some common known input devices
Keyboard
Mouse
Scanner
Joystick
Magnetic Ink Character Reader in banks [MICR]
OMR Optical Mark Reader (Competitive exams OMR sheets)
Bar Code Reader
Web Camera
Microphone
Sensors

Output devices are used to give output to user.
Following are some common known output devices
Printer
Monitor (Screen, VDU Visual Display Unit)
Plotter
Speaker

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