TNPSC - Computer Generations

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