Computer Education
Computer: A computer is a device that computes or
calculates numbers. A computer, however, does more
than that. It can edit text, generate pictures or
graphs, make animation, translate language and
even play games or drive motorcars etc.
Computer System:
A system is a set of components that works
together to accomplish one or more common goals.
A computer system can be said to be a system of
three major components.
A. Computer hardware:
It includes all mechanical, electrical or electronic
parts or components of the computer.
B. Computer software:
This includes operating system, programmes
or applications that instruct a computer how to
process the data and generate required information.
C. Computer personnel:
People who prepare data for computerised input
write computer programmes, monitor computer
operations and distribute the output. There are
also end users who use computer resources.
write computer programmes, monitor computer
operations and distribute the output. There are
also end users who use computer resources.
1.COMPUTER
2.Files and Systems
3.Data Communication and Networks
4.General Purpose Application Packages
5.Internet
6.ISO/ OSI MODEL
7.OUTPUT DEVICES
8.BIOS
9.CACHE
10.ACTOR