1. Computer

2. Computer
Definition
Computer is electronic
machine in which row data
input and convert them in to
meaningful information's.

3. Computer full form
1) Commanly
2) Operated
3) Machine
4) Particularly
5) Used for
6) Training
7) Education &
8) Research

4. Types of computer
1) Personal computer
2) Mini computer
3) Main frames computer
4) Super computer

5. 1) Personal computer
Can be used by one user
only.Performs hundreds or
millions addition per second.
They were used in
Entertainment, Education

6. 2)Mini computers
They computer bigger in size
and faster then personal
computers. In this multiple
users can work fast.
They were used in data
prossing center and bank.

7. 3) Main frame computer
They are use for solving
problems.They act as a server
in wan (white area network)
They were used in railway
reservation and air ticketing.

8. 4) Super computers
They are most powerful
computers.They can process on
multiple instruction at the same
time.
They are used in space control
systems and defence etc.

9. Central processing unit
(Cpu)
This is heart of ant computer.it
is the central process or that
makes comparison, perform
calcutions,read instruction.

10. 1) Hardware
Physical parts of a computer
are hardware.
Example
Keyboard and Floppy
disk

11. 2) Software
All the instruction given to the
computer are software.
Example
Google chrome,mozila,opera

12. 1) Inputting
The process of entering data.
2)Processing
Arithmetician and logical
opreater.
3)Outputting
The process of producing be
result.

13. 1) Input device
1) Keyboard
2) Mouse
3) Scanner
4) CD-ROM
5) Micr (Micro ink character
reader)

14. 2) Output device
1) Printer
2) Plotter
3) Monitor

15. Input/output device
1) Floppy disk
2) Hard disk
3) Magnetic tape
4) Magnetic drum

16. Use of computer
1) Office
2) Education
3) Hospital
4) Railway station
5) Bus stands
6) Airports
7) Banks
8) Printing