Practice Overflow Flag (1.4.5) - Flags and Conditional Instructions - Computer Organisation and Architecture - Vol 2

Practice: Overflow Flag

Lesson 1.4.5Flags and Conditional Instructions

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the purpose of an overflow flag?
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Think about what happens during arithmetic operations that could go beyond a certain value.
Question 2.
How does a conditional instruction behave in relation to flags?
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Recall how decisions are made in programming.
3Question 3.
What does the overflow flag indicate?
- An operation is successful
- An operation exceeds limits
- An operation is irrelevant
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Think about the result of large calculations.
4Question 4.
True or False: Conditional instructions can execute without evaluating any flags.
- True
- False
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Recall how decisions are made in programming.
Question 5.
Write a function using pseudo-code that keeps adding integers until an overflow occurs. Include checks for the overflow flag.
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Focus on how to check for overflow during addition operations.
Question 6.
Critique a code snippet that fails to handle overflow correctly and suggest improvements.
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Consider how to safely manage large sums for reliable operations.

4 more questions in this section. Enroll free to practise them all.