The First Generation(1944-1958)

In the earliest general-purpose computers, most input and output media were punched cards and magnetic tape. Main memory was almost exclusively made up of hundreds of vacuum tubes through one computer used a magnetic drum for main memory.These computers were somewhat unreliable because the vacuum tubes failed frequently. They were also slower than any microcomputer used today,produced a tremendous amount of heat, and were very large. They could run only one program at time.ENIAC and UNIVAC(The Universal Automatic Computer), which was used in U.S. Bureau of Census from 1951 to 1963. Today you could purchase a microcomputer chips with with the same processing power for less than $100.See you in the next tutorial.Feel free to comment down below for every comment or suggestion that you might have.You can also follow us on facebook for more updates  


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