1) Micro computer
2) Mini computer
3) Main frame computer
4) Super computer
1) Micro computer :-
It is also called personal computer where only one person can work with it. It is smallest general purpose processing system. Functionally it is similar to that of any other large computer but its processing speed and storage capacity is less.
2) Mini computer:-
A mini computer is a medium-sized computer that is costlier and more powerful than a micro computer. It has higher processing speed and storage capacity than A micro computer. Mini computers support multiple users simultaneously and it is most popular among the business organizations today.
3) Main frame computer:-
Mainframe computers are much bigger and faster than mini and micro computers and are more expensive. They support large number of terminals for use by a variety of users simultaneously.
4) Super Computer
Super computers are the fastest computers available at any give time and are normally used to solve problems, which require intensive numerical computations. The speed of this computer is measured terms of TIPS that is Trillion Instructions Per Second.
Example: It is used in weather forecasting and in designing sup sonic aircraft, Rocket Launching etc
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