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Friday 9 March 2012

Chapter # 5 ( Evolution of Computers )

The research, finding, experiments and earliest inventions by scientist helper directly or indirectly the Amazing invention of today's Computers. Today's modern computers are combination on some "Switches".

Switches?
Switches are comprised of getting knowledge, controlling it and handling binary system data. We must know about these switches in order to operate computers efficiently and effectively. Binary system of computer had proved to be very much beneficial for on-off facility. A good switch is needed for this system.

World's first computers were accompanied by "Vaccume Tubes". These tubes were good for its time in Middle Age of computers but these tubes were not comfortable as compared to switches. Vaccume Tubes were consuming too much electricity voltage and systems were getting too hot after using a little time period. In Big Computers, after every 2 hours a single Vaccume tube became unusable. Therefore, scientists of that time started to find out its substitute or in other words scientists tried to invent something else that could be more comfortable for computers as compared to Vaccume Tubes.

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