CLASSIFICATION OF COMPUTERS 1

CLASSIFICATION OF COMPUTERS

CLASSIFICATION OF COMPUTERS

Computers can be classified based on the following criteria

Development of technology (by generation)
Principle of operation (by type)
Storage capacity or by configuration (by size)
Degree of versatility (by purpose)

Classification by types

Computers can be classified into three major types based on principles of operations.

The three types are

Digital computer
Analog computer
Hybrid computer
i) Digital Computer: These are computer that perform calculation and logical operations with quantities represented as digits in binary number system. They operate on digital data such as numbers which are referred to discrete values. Digital computers give more accurate and faster results. They are counting devices. Examples are digital clocks, mobile phones, calculations, microcomputers, etc.

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DIGITAL DIVIDE

DIGITAL DIVIDE

Digital divide is the gap between people with effective access to digital and information technology and those with very limited or no access at all.

It is the gap between those who use computers and the internet and those who do not. It is the unequal access by some members of society to information and communication technology, and the unequal acquisition of related skills.

Four major components that contribute to the digital divide are:

Social economic status
Income
Educational level
Race among other factors associated with technological attainment

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