COMPUTER Hardware

1. Hardware Components of
Computer Part I

2. Desk Top computer
A personal or micro-mini computer sufficient
to fit on a desk.

3. Laptop
A portable computer complete with an integrated
screen and keyboard. Also having rechargeable
battery ( which can work for few hours with-out
power)

4. TABLET PC
 TOUCH SCREEN
 ROTATION SENSER
 CAN ACCESS INTERNET
THROUGH SIM CARD
Eg:- I-PAD (APPLE); GALAXY TAB
(SAMSUNG); Aakash (DATAWIND)

5. Main Frame Computer / Server
A very large and expensive computer capable of
supporting hundreds, or even thousands, of users
simultaneously

6. There are four types of Hardware devices
presents in a COMPUTER
1.Input Device
2.Output Device
3.Processing Device
4.Storage Device

7. Input Device are that device by
which we can make input data &
instruction to the computer for
storing and processing the data as
per instruction.

8. 1.Normal Key Board
Keyboard

9. 2.Multimedia Keyboard
Keyboard

10. MAIN PART OF A COMPUTER KEYBOARD
1. The main part of a computer keyboard has
alpha-numeric (letter and number) keys
similar to a typewriter.
2. The Function keys, along the top of the
keyboard, are labeled F1, F2, up to F12.
These shortcut keys allow you to quickly
complete a specific task within certain
programs.
3. The Number pad, at the far right end of the
keyboard, resembles a calculator keypad.

11. Mouse
The mouse is a hardware that is
known as a pointing device . It
lets you point to objects on the
screen, click on them, and move
them.

12. 1.Roller Ball Mouse
Or Mechanical Mouse
INPUT DEVICE
Mouse

13. 2.Optical Mouse
INPUT DEVICE
Mouse

14. Document Scanner
CONVERTS HARD COPY TO SOFT COPY
A scanner allows you to copy an
image or document and save it in
electronic form onto your computer.

15. Bar Code Scanner
• Used in shopping center & warehouse
to keep track of stock.
• In card attendance system

16. Magnetic Strip Reader (MSR)
• Used in shopping center for credit card
or debit card payment.
• In card attendance system

17. Joystick
• For playing games
• For scrolling specially in case of mobiles

18. Output Device are that device
by which we can get output
information or processed data
from the computer as per our
needs.

19. MONITER
1.Cathode Ray Tube (CRT)

20. MONITER
2.Thin Film Transistor (TFT)

21. MONITER
3.Liquid Crystal Display (LCD)

22. MONITER
4.Light Emitting Diode (LED)

24. Sound system (7.1 & 5.1)
Speaker; head phone; ear phone

25. PRINTER
 A printer is a peripheral that is used
to print, or produce, a version of what
appears on the screen in a hardcopy
format.

26. 1.Desk Jet printer/ Dot Matrix
ribbon as cartridge
PRINTER

27. 2.Laser Printer
powder as cartridge
PRINTER

28. 3.Ink Jet Printer
liquid as cartridge
PRINTER

29. Projector
• Use in cinema hall; seminar ; meeting