Discuss the difference between hardware and software monitors.

PICK ONE OF THE FOLLOWING TOPICS AS INSTRUCTED BY YOUR INSTRUCTOR: Initial post: Discuss the difference between hardware and software monitors. OR Initial post: Note that in early systems, performance was measured simply by timing the processing of specific instructions. Today, system measurements must include the other hardware units as well as the operating system, compilers, and other system software. Discuss the interactive implications of performance. OR Initial post: Explain how and why is the term benchmark a useful metric? OR Initial post: When is it advisable to use a simulation model to measure performance?