Problem 2:
Find the answers to the following questions using your Hennessey and
Patterson book and this tutorial.  Form them into your own words.

2] Limitations on Delayed branch scheduling come from two things. 
What are they?

3] Does it matter to the instruction in the branch delay slot whether 
or not the branch is taken?

4] Whose job is it to make successor instructions valid and useful?

5] List the three types of instructions that would best fill the branch 
delay slot and explain how they improve pipeline performance.