An electronic device like computer that provides a series of pulses at extremely regular intervals of time. The interval between successive pulses i.e. their rate of repetition, is known as the clock speed. In computers the clock rate is measured in Mega Hertz (MHz), i.e. there are at least one million pulses per second. Now-a-days computers come with still stunning clock speed of Giga Hertz(GHz)
MIPS- short form of millions of instructions per second. The execution speed of computer is measured in terms of MOPS. For example, 0.5 MPIS is 500000 instructions per second. High speed computers and workstation perform at 200 MIPS and even higher.
Computers are also classified in terms of Word-length, speed and its internal memory as show below in the table:-
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