Basic information about computer.

INTRODUCTION OF COMPUTER

COMPUTER AND CLASSIFICATION OF COMPUTER

COMPUTER - संगणक

Computer word is made by compute. It means calculate.

COMPUTER :-A computer is an electronic device that accepts data from the user processes the data by performing calculations and operations on it and generates the desired output as a result.

Generally, Computer is the combination of hardware

and software, Which converts data into information.

Father of computer Charles Babbage.

The invention of Analytical Engine in 1837.

The  Analytical Engine contained an ALU

(arithmetic logic unit), basic flow , and integrated memory.

Name of device invent by Charles Babbage.

1.Analytical Engine                   2.  Difference Engine

GENERATION OF COMPUTER

FIRST GENERATION COMPUTER  :- 

VACUUM TUBE (1946-1959)

Name of first generation computer :-

ENIAC :- Electronic Numerical Integrator And Computer

EDVAC :- Electronic Discrete Variable Automatic Computer

UNIVAC :- Universal Automatic Computer

SECOND GENERATION COMPUTER :-

    TRANSISTOR (1959-1965)

    Name of second generation computer :-

    IBM 1620

    UNIVAC 1108

THIRD GENERATION COMPUTER  :-  

INTEGRATED CIRCUIT (1965-1971)

Name of third generation computer :-

IBM-360 SERIES

HONEYWELL-6000 SERIES

PDP (PERSONAL DATA PROCESSOR)

FOURTH GENERATION COMPUTER :- 

VERY LARGE SCALE INTEGRATED MICROPROCESSOR (1971-1980)

Name of fourth generation computer :-

DEC 10

STAR 1000

PDP 11

CRAY-1 (SUPER COMPTER)

CLASSIFICATION OF COMPUTER

BASED ON SIZE :-

ØMINI COMPUTER

ØMICRO COMPUTER

ØMAINFRAME COMPUTER

ØSUPER COMPUTER

BASED ON WORK :-

ØANALOG COMPUTER

ØDIGITAL COMPUTER

ØHYBRID COMPUTER

BASED ON SIZE :-

ØGENERAL PURPOSE COMPUTER

ØSPECIAL PURPOSE COMPUTER