Computer

Types of Computer & Different Generations

By Examguru / 22 May, 2023 / Download PDF

Types of Computer & Different Generations

Five Generation of Computer

Gene-ration

Period*

Main Electronic components

Main Computers

I

1940-56

Electronic Valve Vaccume Tube

EDSAC, EDVAC, UNIVAC

II

1956-64

Transistor

IBM-700, IBM-1401, IBM-1620, CDC-1604, CDC-3600, ATLAS, ICL-1901

III

1965-71

Integrated Circuit

IBM-360, IBM-370, NCR-395, CDC-1700, ICL-2903

IV

1971- Present

Largely Integrated Circuit

APPLE, DCM

V

Present & Future

Optical Fibre, Artificial Intelligence

__

may vary according to university/organization.

Programming Language of different generations

Generation

Language

1st Generation (1940-52)

FORTRAN-i

2nd Generation (1952-64)

FORTRAN-ii, ALGOL-60, COBOL, LISP

3rd Generation (1964-71)

PL/ I, ALGOL-W, ALGOL-68, PASCAL, SIMULA-67, APL, SNOBOL, 4 BASIC, C

4th Generation (1971 --)

CLUE, ALFARD, UCLID, Reformed Pascal, MODULA, EDA, ORACLE

5th Generation (For future)

Artificial Intelligence Languages.

Typed of Computer:

According to size and capacity these are following types of Computer

1. Micro Computer:

These Computers are used by individual, thus also called PC or Personal Computer. These days PCs are largely used for domestic and official purpose etc.

2. Mini Computers:

This type of Computer is comparatively larger than that of micro Computer. This is 5 to 50 times more powerful than that of a Micro Computer.

3. Main Frame Computer:

These are large sized Computers. By Time Sharing and Multi techniques many people rather more than 100 people can work at a time on different terminals of this Computer.

4. Super Computer:

These are very powerful Computers and have more storage capacity. These are the most expensive and the fastest Computers, able to process most complex jobs with a very high speed.

5. Quantum Computer:

The development of this type is in final stage. Probably Quantum Computers will be more advanced than that of human brain. In Quantum Computers Q-Bit will be used in lieu of Binary Bits.

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