Practice Implications Of Overflow In Arithmetic Operations (3.2) - Understanding Overflow in Signed and Unsigned Arithmetic

Practice: Implications of Overflow in Arithmetic Operations

Lesson 3.2Understanding Overflow in Signed and Unsigned Arithmetic

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9 questions

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

Question 1.
What is the overflow flag?
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Think about when arithmetic results can't be correctly stored.
Question 2.
Define signed and unsigned arithmetic.
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Remember the sign representation!
3Question 3.
What happens when overflow occurs in signed arithmetic?
- The result remains accurate
- The overflow flag is set
- The result is doubled
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Think about the role of the overflow flag.
4Question 4.
True or False: In unsigned arithmetic, the carry flag is important, but the overflow flag can be ignored.
- True
- False
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Consider the properties of positive numbers.
Question 5.
You have 7 and 9 as 4-bit signed numbers. What happens when you add them? Identify the flags and reason out any overflow.
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Consider how the number is represented in binary.
Question 6.
A program fails after computing large sums. Analyze how overflow could cause runtime issues in handling those sums.
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Think about the implications of running out of space.

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