Classification of Computer

Classification of Computer:-
                      There are many computer which are different from each other in various aspects.

• Micro Computers

Microcomputer is a complete computer on a smaller scale. These computers are also called personal computers or pc. Two major types of these computer are laptop or desktop computers. Only one user can use these computers at a time. A microcomputer contains a microprocessor, memory 1/10 ports and a bus, housed on a circuit called motherboard. These computer are much slower then the large computers. These computers are inexpensive and easy to use. These computers used in small business and school classrooms.

• Mini Computers:-

                 Minicomputers introduced in 1960. These computers are powerful computers. These can execute 5 million instructions in one second. These are much smaller then mainframe and also less expensive. These computers between the microcomputers and mainframe computers. These are stand alone computers. These computers are used in small or medium businesses purposes. 

• Mainframe Computers:-

            A main frame computer is a high performance computer used for large scale computing purposes. These are very large often filling on entire room. They can store enormous of information. They can perform many tasks at same time and communicate with many users at same time. These are very expensive and faster. These computers can execute 16 millions instructions per/sec. Terminals used to connect user to this computer. These are introduced in 1975. These computers used in large businesses. Government agents and Universities.