CS 61C Quiz - Week 6-2-2: Thursday

Current time: Fri Aug 22 19:41:47 2025

Deadline: Thu Jul 29 11:00:00 2004

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Question 1:

What does the EPC register hold? What
about the Cause register? Which MIPS
instructions access EPC and Cause?

Question 2:

What are imprecise exceptions?

Question 3:

What is the principal drawback of polling?

Question 4:

What does "memory-mapped io" mean?
Write a MIPS loop that polls the receiver
 on page A.37 and puts the received byte in
$v0.

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