Page 10 - COMPUTER

• CPU:- CPU (Pronounced As Separate Letters) Is The Abbreviation For
Central Processing Unit. Sometimes Referred To Simply As The Central
Processor, But More Commonly Called Processor, The CPU Is The Brains Of
The Computer Where Most Calculations Take Place.
Example :- RAM,ROM,Motherboard,Processor,Power Suplay ,Memory Etc.

• Peripheral:- (Of A Device) Able To Be Attached To And Used With A
Computer, Though Not An Integral Part Of It.
1) Output Device
2) Input Decice
3) Storage Device

➢ INPUT DEVICE:- In Computing, An Input Device Is A Peripheral (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.

➢ OUTPUT DEVICE:- 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. Thus, Most Output
Devices Used By Humans Are In These Categories. Examples Include
Monitors, Projectors, Plotter,Speakers, Headphones And Printers.

➢ STORAGE DEVICE:- A Piece Of Computer Equipment On Which
Information Can Be Stored. Example Pendrive,DVD,CD,BRD,Harddisk Etc.

INPUT DEVICE OUTPUT DEVICE STORAGE DEVICE
Keyboard Monitor Memory Card

Mouse Projector Hard Disk
Microphone Plotter Pen Drive

Scanner Printer Cd / DVD

Joystick Speaker Floppy

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