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A CPU is equipped with a cache; accessing a word takes 45 clock cycles if the data is not in cache memory and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 85%? O 10 clock cycles O 9 clock cycles O 11 clock cycles O 12 clock cycles

A CPU is equipped with a cache; accessing a word takes 45 clock cycles if the data is not in cache memory and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 85%? O 10 clock cycles O 9 clock cycles O 11 clock cycles O 12 clock cycles

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A CPU is equipped with a cache; accessing a word takes 45 clock cycles if the data is not in cache memory and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 85%? O 10 clock cycles O 9 clock cycles O 11 clock cycles O 12 clock cycles
Transcribed Image Text:A CPU is equipped with a cache; accessing a word takes 45 clock cycles if the data is not in cache memory and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 85%? O 10 clock cycles O 9 clock cycles O 11 clock cycles O 12 clock cycles
Consider two different machines, M1 and M2. M1 has a clock rate of 500 MHz and M2 has a clock rate of 750 MHz. The average instruction execution on M1 requires 4 cycles, while the ioaverage execution time on M2 requires 3 clock cycles. Which of the following statement is true? O B is a faster than A by a factor of 500/750 O B is faster than A by a factor of 2 O A is faster than B by a factor of 750/500 O Bif faster than A by a factor of 4/3
Transcribed Image Text:Consider two different machines, M1 and M2. M1 has a clock rate of 500 MHz and M2 has a clock rate of 750 MHz. The average instruction execution on M1 requires 4 cycles, while the ioaverage execution time on M2 requires 3 clock cycles. Which of the following statement is true? O B is a faster than A by a factor of 500/750 O B is faster than A by a factor of 2 O A is faster than B by a factor of 750/500 O Bif faster than A by a factor of 4/3
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