3.2.3 - The Importance of Context in Flag Usage
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Practice Questions
Test your understanding with targeted questions
What happens when you add -5 and -3 in signed arithmetic using 4 bits?
💡 Hint: Think about the sign bits.
In unsigned arithmetic, how does adding 5 and 4 behave?
💡 Hint: Check the upper limit for 4 bits.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the overflow flag indicate?
💡 Hint: Consider what happens when results don’t fit.
True or False: The carry flag is generally significant in signed arithmetic.
💡 Hint: Reflect on the role of the carry flag in signed operations.
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Challenge Problems
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Analyze the addition of two 4-bit signed numbers: 0111 (+7) and 0001 (+1). What flags are set after the operation?
💡 Hint: Consider max limits in signed numbers.
Given two signed numbers -4 (1100 in binary) and +1 (0001 in binary), what are the results and flags after addition?
💡 Hint: Focus on how negatives and positives interact.
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