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Categories of
Computers and 1
Computer Languages
Goal Glimpse
Categories of Computers Some other Special Computers
Computer Languages Language Translator
As you know, a computer is an electronic device used for various tasks, such as managing accounts
in schools or reading at home. In the previous class, you learned about computer programs and
programming. In this chapter, you’ll discover the different types of computers and computer
languages.
CATEGORIES OF COMPUTERS
The different types of computers are used for various purposes and they can be categorised on
the basis of their:
Type
Purpose
Size, speed, processing power, and cost
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: This type of computer works by measuring continuously
changing physical quantities, such as voltage, pressure, or water flow,
rather than counting. It usually shows results as graphs. Examples
include mercury thermometers, car speedometers, older radios etc.
Digital: This type of computer uses binary numbers (0s and 1s) to
generate, process, and display data. It provides more accurate results
compared to analog computers. Modern devices like desktops,
laptops, smartphones, digital watches, digital thermometers, and
electricity meters are all examples of digital computers.
Categories of Computers and Computer Languages 7

