Question 1
Application of Amdahl’s Law:
Answer the following two questions and show your work:
- What is the overall speedup if you make 15% of a program 85 times faster?
- What is the overall speedup if you make 85% of a program 15 times faster
Question 2
Consider a dynamic RAM that must be given a refresh cycle 64 times per ms. Each refresh operation requires 150 ns; a memory cycle requires 250 ns.
What percentage of the memory’s total operating time must be given to refreshes? Explain your answer and show your calculations.
Question 3
List and briefly define three newer nonvolatile solid-state memory technologies.
Question 4
What is the difference between DRAM and SRAM in terms of application? What is the difference between DRAM and SRAM in terms of characteristics such as speed, size, and cost?
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