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
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.
List and briefly define three newer nonvolatile solid-state memory technologies.
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?