1. Learning objectives:
1.The meaning of computer.
2.Types of computer.
3.The difference between computer system and
computing system.
4.The components of computer.
5.The difference between software and hardware.
6.The Input device.
7.The output device.
8.The storage device.

2.  Computer is an electronic device that is used to
process data, store and retrieve it as
information.

3.  The computer is used for teaching.
 It is also used in communication.
 The computer is used in processing data.
 Computer can also be used to store
information.
 The computer can be used in research finding.
 And many others.

5. Desktop computer and system unit

6. Palmtop computer

7.  The keyboard is the main input device of a
computer.

8.  The mouse is a pointing device, that let you
select and move items on the monitor screen.

9.  The digital camera is an input device use to
store information on to the computer.
 These are some examples.

10.  The scanner is an input device used to transfer
information(pictures, signature and many
more).