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Measurement of Computer Speed (1 reply)
The speed of computers measured in Ghz nowadays, no? Then, what are KIPS, MIPS, Nano, Picoseconds, FLOPS, MFLOPS? Please, i'm in confusion... can we classify on the basis of this & that or what? And What is difference between CPU speed and Computer Speed?
Processor speed is discussed in terms of how many basic instructions it can process in a second. Thus Kilo Instructions Per Second (KIPS), Mega Instructions Per Second (MIPS).
Nano seconds, pico seconds are the units to represent fractions of a second. When you need to represent time duration that is smaller than a second you'll use milli seconds, micro seconds, nano seconds, pico seconds ets.
FLOPS - floating-point operations per second, KFLOPS, MFLOPS etc are the units to represent the measure of computer performance. It is useful in fields of scientific calculations that make heavy use of floating-point calculations. For such cases it is a more accurate measure than the generic instructions per second.
And Hz, KHz, MHz are the unit of frequency in SI system.It is also used to describe the speeds at which computers and other electronics are driven. It is popularly being used to express Processor's clock speed. The point you raised about GHz for speed of computer is simply for the clock speed of the microprocessor being used in that computer.
Thus, when it comes to discuss about the processor speed, KIPS, MIPS may come handy while you talk about more accurate speed kFLOPS, mFLOPS may be used. Similarly if you have a machine which can process 1K instructions in 5 nanoseconds and another takes 100 nanoseconds for same instruction set, then which one is faster computer?
Hope it helps you to get some idea?
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