Generation of computer

 

GENERATION OF COMPUTER

	First	Second	Third	Four	Fifth
Year	1946-59	1959-65	1965-71	1971-89	1989-Now
Component	Vaccum tube& walves	Transistor	Integrated circuit(made of silicon)	VLSI – very large integrated circuit	ULSI – Ultra large integrated circuit
Storage	Magnatic drum	MagneticTape & disk	core as primary storage	semiconductor memory,Winchester disk	optical disk
Language	Machine	Assembly	High level COBOL, FORTRAN, ALGOL	High level language – APL , SQL ,VB	Artificial Language
Computer Name	ENIAC,EDSAC,EDVAC,LEO,UNIVAC-1,IBM 701 , IBM 650 , Mark 1	IBM-1401, IBM1620,UNIVAC-1108,CDC1604,CDC3600,PDP-8,Honey WelL 200 ,	Computer -NCR-395,B6500, CDC-6600 ,IBM System/360 ,PDP-11 , Burrough b6500	IBM PC-XT , Apple 2	PARAM , IBM Notebook , Pentium pc’s , super computer
Operating System	Batch Operating System	Multiprogramming- Time sharing become possible	Multiprogramming , time sharing ,remote processing	Network distributed , real time network distributed	AI
Speed	micro second
Data input	Punch Card

 

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