Computers and Technology, 01.05.2021 02:10 gigimasters71p7tc6l

A program spends 30% of its time performing I/O operations, 25% of its time doing encryptions, and the remaining 45% of its time doing general computations. The user is considering purchasing one of three possible enhancements, all of which are of equal cost: (a) a new I/O module which will speed up I/O operations by a factor of 2, (b) adding encryption hardware which will cut the encryption time by 70%, and (c) a faster processor which will reduce the processing time for both general computations and encryptions by 40%. Which of these three enhancements will provide the best speedup? Hint: This is an application of Amdahl’s Law.

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A program spends 30% of its time performing I/O operations, 25% of its time doing encryptions, and t...

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