THE FOURTH GENERATION (1975 ONWARDS)

This generation of computers have one or more of the following characteristics:

•     Semi-conductor memory instead of core memory
•     Introduction of “microprogramed logic”
•     Usage of Operating System with “virtual memory” concept, which enabled a programer to write programs requiring more      memory pace than available in main memory.

Now FIFTH GENERATION computers and SUPER computers are also becoming popular with new technological developments and more and more capabilities.