Types of computer

How many types of computer available ?

There are four types of computer according to physical size and its work.

Micro computer :

1. It is a digital computer that works on  a microprocessor. 
    Used in homes and offices.
2. Performs take such as word processing , desktop publishing ,      and accounting.
3. Example - Desktop, Laptop, Pumptop etc.

@ Advantage :- Small size, Low cost, Portability
@ Disadvantage :- Low processing speed than other       computer.

Mini computer :

1. Known as the mid-range server.
2. Medium size multiprocessing and multi user computer.
3. Used by small sized companies.

@ Advantage :- Can process multiple user. lower cost than
                            Mainframe.
@ Disadvantage :- Large and bulky

Mainframe :

1. Known as enterprise servers.
2. Occupies entire rooms or floors.
3. Used for centralized computing.
4. Serve distributed users and small servers in a computing network.

@ Advantage :- Supports many users and instructions.
                            Large memory support.
@ Disadvantage :- Hug size and expensive.

Super computer : 

1. It is very fastest and expensive.
2. Used by applications for Molecular chemistry, Nuclear research,   Weather reports and advance physics.
3. Consist of several computer that work in parallel as a single system.

@ Advantage : - Very fast and speed processing.
@ Disadvantage :- Generate a large amount of heat during operation. And very very costly.



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