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i + TYPES OF COMPUTERS
All types of computers have a CPU, a keyboard and a screen to display the output. But
they differ in their size, cost and speed. Let us learn more about them.
Microcomputers
These computers are made to be used by one person at a time. Desktops, laptops, tablets
and smartphones are called Microcomputers. They are also called Personal Computers
(PCs).
Desktop Laptop Tablet Smartphone
Minicomputers
These computers are small general-purpose computers with the
capability to serve a number of users simultaneously.
They are used for scientific and engineering computations, business
transaction processing, file handling and database management.
Minicomputer
Mainframe Computers
These computers are very large, fast and powerful
computers. Some mainframe computers are so big
that they require as large a space as that of a room.
They are used in big organisations where a large
amount of data is used, such as banks.
Mainframe Computers
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