Wednesday, December 8, 2010

COMPUTER CLOCK (First Year)

COMPUTER CLOCK
All operations inside the CPU are perfectly timed.A basic operation will take exactly the same time, whether it is done now or later, whether it is done once of repeated millions of times. The timing is controlled by an electronic clock, which emits millions of equally spaced electric pulses each second. The speed of processing depends on the speed of this clock, which is measured megahertz (million times per second). Clock speeds of PCs range from 8 to 25Mhz.

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