MeIDoKoXora E-Learning Blog

Major parts of the Computer

Input Devices

1.

Mouse

2.

Keyboard

3.

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 1

MeIDoKoXora E-Learning BlogScanner

4.

Digital

Camera

5.

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 2

MeIDoKoXora E-Learning BlogWeb

6.

Joysticks

Camera

8.

Touch

7.

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 3

MeIDoKoXora E-Learning BlogTrack Ball

Pad/

Screen

9.

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 4

MeIDoKoXora E-Learning BlogLight Pen

10.

Bar Code

Reader

11.

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 5

MeIDoKoXora E-Learning BlogMicrophone

12.

Graphics

Tablets

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 6

MeIDoKoXora E-Learning Blog

14. Optical

13. Magnetic

Mark

Ink

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 7

MeIDoKoXora E-Learning Blog

Reader

Character

(Used for

Reader

Answer-

(Used in

Sheet

Bank)

Marking

Purpose)

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 8

MeIDoKoXora E-Learning Blog

15. Magnetic

Card

Reader

16. Biometric

(Used in

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 9

MeIDoKoXora E-Learning BlogDevices

Shops,

Colleges,

Stations etc)

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 10

MeIDoKoXora E-Learning Blog17. Bluetooth

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 11

MeIDoKoXora E-Learning Blog

Processor

CENTRAL PROCESSING UNIT (CPU)

The main unit inside the computer is the CPU. This unit is responsible for all events inside the computer. It controls all internal and external devices, performs arithmetic and logic operations. The CPU (Central Processing Unit) is the device that interprets and executes instructions.

Output Devices

1.

Monitor

2.

Printer

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 12

MeIDoKoXora E-Learning Blog

(Dot

Matrix)

3.

Projector

InkJet

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 13

MeIDoKoXora E-Learning Blog

4.

Plotter

Laser

5.

Speaker

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 14

MeIDoKoXora E-Learning Blog

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 15

MeIDoKoXora E-Learning Blog

Storage Devices

Primary memory (main memory)

RAM (Random Access Memory/Read-Write Memory)

ROM (Read-only-memory)

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora

[chetanthapamagar.blogspot.com] Page

MeIDoKoXora E-Learning Blog

Secondary memory (storage devices)

Hard Disk (Local Disk)

Optical Disks: CD-R, CD-RW, DVD-R, DVD-RW

Pen Drive

Zip Drive

Floppy Disks

Memory Cards

External Hard Disk

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora

[chetanthapamagar.blogspot.com] Page

MeIDoKoXora E-Learning Blog

Hard Disk

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora

[chetanthapamagar.blogspot.com] Page

MeIDoKoXora E-Learning Blog

B. Optical

C. Pen Drive

disk

D. Zip Disk E. Floopy Disk

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora

[chetanthapamagar.blogspot.com] Page

MeIDoKoXora E-Learning Blog

F. Memory

G. External

Cards

Hard Disk

Peripheral Devices

1. The

Modem/

2. Switches/H

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora

[chetanthapamagar.blogspot.com] Page

MeIDoKoXora E-Learning Blog

Internet

ub

Adapter

3. Router

4. TV Tuner

Card

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora

[chetanthapamagar.blogspot.com] Page

MeIDoKoXora E-Learning Blog

Internal Components

1.

The Mother

2.

Expansion

Board

Slots

3.

CMOS

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 22

MeIDoKoXora E-Learning Blog4.

Cooling

Battery

Fan

5.

Network

6.

Graphics

Card

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 23

MeIDoKoXora E-Learning Blog

Card

7.

Power Supply

8.

Memory

Unit (SMPS)

Slots

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 24

MeIDoKoXora E-Learning Blog

Prepared By:Chetan Thapa Magarwww.facebook.com/MeIDoKoXora[chetanthapamagar.blogspot.com] Page 25