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English definition of “clock speed”

clock speed

noun [C]
 
 
(also clock rate)
IT the speed at which a computer can deal with information, usually measured in megahertz or gigahertz (= a measure meaning one million or one billion times a second): The clock speed for the computer should be equal to, or greater than, the speed listed on the software package.
(Definition of clock speed from the Cambridge Business English Dictionary © Cambridge University Press)
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