Earlier computers were very costly and only large organisations could afford them. But in recent years, new technology (IT) have made computers within reach of small organisations and individual also.
First Generation
Eckert and Mauchly established a new company in 1946. This company was incorporated as the UNIVAC Division of remington rand in 1949.These computers used value technology and had the main limitation of heavy power consumption and not very high reliability.
Second Generation
These computers were smaller in size , more reliable and highly efficient. These machines used english like language known as high level languages (hll) for ease of operation and application in business and scientific analysis.
Third Generation
These mashines used more versatile programs like real time operating system ,multiprogramming techiniqes and database management.
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