Computers as Components, 2nd Edition

Lab Exercises 151

Q3-31 Name three mechanisms by which a CMOS microprocessor consumes

power.

Q3-32 Provide a user-level example of

a. Static power management.

b. Dynamic power management.

Q3-33 Why can’t you use the same mechanism to return from a sleep power-saving

state as you do from an idle power-saving state?

LAB EXERCISES

L3-1 Write a simple loop that lets you exercise the cache. By changing the number

of statements in the loop body, you can vary the cache hit rate of the loop as it

executes. If your microprocessor fetches instructions from off-chip memory,

you should be a ble to observe changes in the speed of execution by observing

the microprocessor ...