A Two Part Question

question 5

Essay

A two part question
(a) Why is miss rate not a good metric for evaluating cache performance? What is the appropriate metric? Give its definition. What is the reason for using a combination of first and second- level caches rather than using the same chip area for a larger first-level cache?
(b) The original motivation for using virtual memory was "compatibility". What does that mean in this context? What are two other motivations for using virtual memory?

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Definitions:

Fixed-Rate Mortgages

A type of mortgage in which the interest rate remains constant throughout the term of the loan.

Government Backing

Support or endorsement provided by governmental entities, often in the form of guarantees, subsidies, or policies.

Interest Rate

The proportion of a loan that is charged as interest to the borrower, typically expressed as an annual percentage of the loan outstanding.

UCC

The Uniform Commercial Code, a comprehensive set of laws governing all commercial transactions in the United States.