Practice - Adder–Subtractor
Practice Questions
Test your understanding with targeted questions
What is the two's complement of 1010?
💡 Hint: Invert the bits and add one.
True or False: The MSB determines if a binary number is positive or negative.
💡 Hint: Consider how negative numbers are represented in binary.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do we do if the MSB of the result in binary addition is 1?
💡 Hint: Think about the representation of negative numbers in binary.
True or False: Full adders can be used for both addition and subtraction operations.
💡 Hint: Remember how subtraction is transformed into an addition operation.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Given two binary numbers 1100 and 0101, use the adder-subtractor circuit to show how subtraction is achieved. Provide the step-by-step binary conversion.
💡 Hint: Start with the two's complement process for the subtrahend.
Design a full adder circuit using basic components and illustrate how it can also function as an adder-subtractor. Explain this duality.
💡 Hint: Think about the control signals that change the operation mode.
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Reference links
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