Wednesday, June 4, 2008

FIRST GENERATION


FIRST GENERATION [1942-1955]:
There were sum early computers like ENTAC, EDSAC etc. These machine and other of there time very made possible by the invention of “Vacuum Tube”, which was a fragile glass device that can control and amplify electronic signals. These vacuum tube computers are referred to as first generations computer.
ADVENTAGES:
1) Vacuum tubes were the only electronic components aviable during those days.
2) Vacuum tubes technology made possible the advent of electronic digital computer.
3) These computers were the fastest calculating device of their time. They could perform computation [calculation] in millisecond.
DISADVENTAGES:
1) Two bulky in size.
2) Unreliable.
3) Thousands of vacuum tubes that were used remitted large amount of hit and burnt out frequently.
4) Air condignly required.
5) Prone to frequent hardware failures.
6) Contains maintenance required.
7) Non- portable.
8) Menual assembly individual component into functioning unit was required.
9) Commercial production was difficult and costly.
10) Limited commercial use.

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