Computer Science UGC-NET PAPER - II

Computer Generations


First Generation 

• The Period of First Generation:-  1946-1959: 


• What is Important of the First Generation - Vacuum Tube

Some computers of this First Generation

• ENIAC


• EDVAC


• UNIVAC


• IBM-701


• IBM-650

Second Generation

• The period of second generation:-  1959-1965. 


• What is Important of the Second Generation - Transistor

Some computers of this Second Generation

• BM 1620


• IBM 7094


• CDC 1604


• CDC 3600


• UNIVAC 1108

Third Generation

• The period of Third Generation:-  1965-1971. 


• What is Important of the Third Generation - Integrated Circuit

Some computers of this Third Generation

• IBM-360 series


• Honeywell-6000 series


• PDP(Personal Data Processor)


• IBM-370/168


• TDC-316

Fourth Generation

• The period of Fourth Generation:- 1971-1980. 


• What is Important of the Fourth Generation - VLSI microprocessor

Some computers of this Fourth Generation

• DEC 10


• STAR 1000


• PDP 11


• CRAY-1(Super Computer)


• CRAY-X-MP(Super Computer)

Fifth Generation

• The period of Fifth Generation:-  1980-Onwards. 


• What is Important of the Fifth Generation - VLSI microprocessor

Some computers of this Fifth Generation

• Desktop


• Laptop


• Note Book


• UltraBook


• ChromeBook