Practice Unconditional Instructions (2.2.1) - Signed Arithmetic and Overflow

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6 sample questions

Question 1.
What is an unconditional jump?
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Think about a direct switch in control flow.
Question 2.
What does the zero flag indicate?
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Focus on the outcome of previous calculations.
3Question 3.
What does the unconditional jump instruction do?
- Redirects to a label based on the condition
- Always executes a block without a condition
- Redirects to a specified location if a flag is set
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Think about what 'unconditional' implies.
4Question 4.
True or False: The zero flag is set when the outcome of a computation is non-zero.
- True
- False
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Consider the definition of the zero flag.
Question 5.
Write a simple assembly program snippet that demonstrates an unconditional jump leading to an infinite loop. Indicate how this could be corrected.
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Think about loop control structures.
Question 6.
Explain how overflow might occur in an addition operation and what flags would indicate this. Provide an example.
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Consider the limits of your data types.

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