Practice Designing Conditional Statements With Flags (3.3.2) - Understanding Overflow in Signed and Unsigned Arithmetic

Practice: Designing Conditional Statements with Flags

Lesson 3.3.2Understanding Overflow in Signed and Unsigned Arithmetic

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10 questions

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6 sample questions

Question 1.
Define the overflow flag.
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Think about what happens when adding large negative numbers.
Question 2.
What does the carry flag signify?
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Consider unsigned addition.
3Question 3.
What indicates an overflow condition in signed arithmetic?
- Carry Flag
- Overflow Flag
- Sign Flag
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Remember what happens when the result exceeds the positive range.
4Question 4.
True or False: The carry flag is always relevant in signed arithmetic.
- True
- False
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Consider the situations when two signed numbers of different signs are summed.
Question 5.
Write a program that adds two 8-bit signed integers and checks for overflow. Display an appropriate message for overflow conditions.
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Remember the rules of two's complement addition.
Question 6.
A computer uses 4-bit arithmetic. What happens if it tries to add 8 and 1? Analyze the flags that would be set and their implications.
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Convert the numbers into binary and simulate the addition.

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