3.3 - Conditional Instructions and Flags in Programming
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Practice Questions
Test your understanding with targeted questions
What does the zero flag indicate?
💡 Hint: Think about what happens when you add or subtract two identical numbers.
What does the carry flag signify?
💡 Hint: Consider what happens with the maximum possible value in binary.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the carry flag indicate during arithmetic operations?
💡 Hint: Consider the implications of working with only the highest bit.
True or False: An overflow flag being set always means the result is negative.
💡 Hint: Think about the types of operations where overflow might occur.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Consider two signed 4-bit binary numbers: 0111 (7) and 0001 (1). Perform the addition and analyze the flags set in the result.
💡 Hint: Remember, how does the signed representation affect the outputs?
Explain what would happen if you attempted to add binary numbers: 1000 (-8) and 1000 (-8) in 4-bit signed arithmetic.
💡 Hint: Grid out the binary addition to visualize the carry and sign changes.
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