ppt for input and output devices with photos

3. Computer is an electronic device
which is capable of receiving
information (data) in a particular
form and of performing a sequence
of operations in accordance with a
predetermined but variable set of
procedural instructions (program)
to produce a result in the form of
information or signals.

4. A person who makes calculations,
especially with a calculating
machine.
A computer looks like--

5. Graph of computer usage
between 1800-2010--

6. Lets come to enemy of computer.
The enemy of
computer is-

7. When virus come to our computer our computer is
like-
To protect our computer
from virus we use-
ANTIVIRUS
Some popular
Antivirus
companies are-

9. 1.RAM

10. 2. Central
Processing Unit
(CPU)

11. 3.Floppy
disk

12. 4.Hard
disk

13. 5.CD and
DVD drives

14. 6.Mouse

15. 7.Keyboard

16. 8.Moniter

17. 9.Printer

18. 10.Speakers

19. 11.Modem

20. 12. UPS -
Uninterrupted
Power Supply

22. 1.INPUT DEVICES
DEFINATION-
In computing, an input device is any
peripheral (piece of computer hardware
equipment) used to provide data and
control signals to an information
processing system such as a computer or
other information appliance.

23. 1.KEYBOARD

24. 2.Image scanner

25. 3.MICRO PHONE

26. 4.GRAPHICS TABLET

27. 5.JOYSTICK

28. 6.LIGHT PEN

29. 7.MOUSE

30. 8.POINTING STICK

31. 9.TOUCH PAD

32. 10.TRACK BALL

33. 11.WEBCAM

34. 12.REFRESHABLE BRAILLE
DISPLAY

35. 2.OUTPUT DEVICES
DEFINATION-
An output device is any piece of computer
hardware equipment used to communicate
the results of data processing carried out
by an information processing system (such
as a computer) which converts the
electronically generated information into
human-readable form.

36. 1.MONITER

37. 2. Refreshable Braille
display

38. 3.PRINTER

39. 4.SPEAKERS

40. 5. PLOTTER