Systems Architecture
Systems Architecture
7th Edition
ISBN: 9781305080195
Author: Stephen D. Burd
Publisher: Cengage Learning
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Chapter 4, Problem 4PE

Explanation of Solution

CPU instructions:

  • In the given case, the cycle time is the inverse of the clock rate, and hence the cycle time is 0.21 nanoseconds.
  • And the instructions and the execution cycle are equal to 0.10 nanoseconds.
  • Now, it can be assumed that all the instructions are fetched from the main memory and each fetch operation takes a total of 2 nanoseconds, which is nothing but the duration of ten complete CPU cycles.
  • When a hypothetical instruction is fetched in the first fetch cycle and is delivered to the CPU at the start of 11th fetch cycle...

Explanation of Solution

Features to improve:

  • The modern CPUs have to elaborate the scheme to minimize the delays due to a memory access.
  • It also has to reduce the instructions required for the multiple cycles to execute...

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