Practice Procedure Call Overview (5.1) - Procedure Call Overview - Computer Organisation and Architecture

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6 sample questions

Question 1.
What is the first step in a procedure call?
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Think of what needs to be remembered before jumping to a subroutine.
Question 2.
What does the stack pointer do?
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It's a kind of reference for where to find information in memory.
3Question 3.
What does the stack pointer indicate?
- The current instruction
- The top of the stack
- The next procedure address
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Consider what stack management involves.
4Question 4.
True or False: The program status word is not necessary to save during a procedure call.
- True
- False
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Think about how programs need to remember their state.
Question 5.
Explain what happens if a procedure call does not use a stack for context saving.
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Consider the importance of remembering multiple tasks in a project.
Question 6.
Given a procedure that takes two integers and returns their sum, walk through the procedure call steps using stack pointer and program counter.
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Think about how you track your steps while cooking a complex dish.

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