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Chapter Profile
Chapter Profile
1 Computer Categories
Some other Special Computers
Categories of
Computers
As you know that a computer is an electronic device used in different places for different purposes
such as managing accounts in schools and reading at home. In this chapter, you will learn about the
different types of computers and computer languages.
COMPUTER CATEGORIES
Nowadays, different types of computers are used that can be categorised on the basis of their:
Type
Size, speed, processing power and price.
Let us learn about these categories in detail.
Type
On the basis of their type or functioning, computers can be classified into three categories which are
as follows:
Analog Computer refers to a computer that operates by measuring
instead of counting. It measures the continuously changeable physical
quantities like voltage, pressure, water flow, etc. Examples of analog
computers are mercury thermometer, speedometer in cars, old radio,
etc.
Analog Computer
Digital Computer refers to a computer that uses
digits (binary numbers 0’s, and 1’s) to generate, process and display data.
All the modern computers that currently we use like Desktop, Laptop, and
smartphone are examples of the digital computers. Some other examples
of the digital computers are digital watch, digital thermometer, electricity
meter, etc.
Digital Computer
Categories of Computers 7

