SIZES OF COMPUTERS

WEEK 8

SIZES OF COMPUTERS

OBJECTIVES: At the end of the lesson, pupils should be able to:

1. Mention the classification of computers by purpose

2. Identify the special and general purpose of the computer.

CONTENT

MAINFRAME COMPUTER

SIZE: Mainframe computers are large and expensive.

SPEED: Mainframe computers accept hundreds of thousands of users simultaneously. They are in one way superior and more powerful than supercomputers because they can support more programs simultaneously with users handling massive amounts of input, output and storage processes. They can execute a single program faster than mainframe computers.

USAGE; They are used in banks and big business organizations like JAMB, WAEC, NECO ETC

 

EVALUATION

Explain mainframe computer based on its size, speed and usage.