17.4.3 - Return from Function
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Practice Questions
Test your understanding with targeted questions
What is the purpose of a program counter in an instruction sequence?
💡 Hint: Think about how a program knows which instruction to execute next.
Define what an unconditional jump does.
💡 Hint: Consider what happens when you encounter 'jump 3000' in a program.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does an unconditional jump do?
💡 Hint: Focus on what 'unconditional' means.
If the zero flag is not set, what happens during a conditional jump?
💡 Hint: Think about how conditions affect decision-making in programs.
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Challenge Problems
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Consider a program that jumps to address 5000 when an operation results in a zero flag being set. Outline how the program would proceed if the zero flag were not set.
💡 Hint: Focus on the implications of different flag states during conditional jumps.
Explain what might happen if a function call does not properly save the current program counter before executing, specifically in a nested function call scenario.
💡 Hint: Think about how multiple layers of function calls rely on correctly managing their respective PC states.
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