History Of Operating System

 Operating system has been evolving through the years. Following Table shows the history of OS.

GenerationYearElectronic device usedTypes of OS Device
First1945-55Vacuum TubesPlug Boards
Second1955-65TransistorsBatch Systems
Third1965-80Integrated Circuits(IC)Multiprogramming
FourthSince 1980Large Scale IntegrationPC



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Types Of Operating System

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