Practice Returning Values from Procedures - 5.2.3 | 5. Procedure Call Overview | Computer Organisation and Architecture - Vol 2
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Returning Values from Procedures

5.2.3 - Returning Values from Procedures

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Stack Pointer (SP) indicate?

💡 Hint: Think about where data is temporarily kept in memory.

Question 2 Easy

Why do we save the Program Counter (PC) before calling a procedure?

💡 Hint: Consider how the CPU knows where to continue execution.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of the Stack Pointer (SP)?

To point to the current instruction
To point to the top of the stack
To store the main program address

💡 Hint: Consider its role in stack management.

Question 2

True or False: The Program Counter (PC) is pushed onto the stack during a procedure call.

True
False

💡 Hint: Reflect on what happens when procedures are invoked.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Describe how the stack changes during two nested procedure calls. Illustrate with diagrams.

💡 Hint: Sketch out the stack levels before and after each call.

Challenge 2 Hard

Discuss the implications of a stack overflow error. How can you prevent it when creating recursive procedures?

💡 Hint: Reflect on how recursion needs to manage calls efficiently.

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