Practice - Integer Arithmetic: Addition and Subtraction of Two's Complement Numbers
Practice Questions
Test your understanding with targeted questions
Convert +5 to 4-bit two's complement.
💡 Hint: Use direct binary representation.
What is the two's complement representation of -3 in 4 bits?
💡 Hint: Invert the bits of +3 and add 1.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the two's complement of -5 in 4 bits?
💡 Hint: Think of flipping the bits first and then adding one.
True or False: Overflow occurs when adding a positive number and a negative number.
💡 Hint: Consider the ranges of the numbers involved.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Calculate the result of adding +7 (0111) and +8 (1000) in 4-bit two's complement. What does overflow indicate?
💡 Hint: Pay attention to the carry-in and carry-out of the MSB.
Using 8 bits, find the two's complement representation of -128 and what its addition with +1 reveals about overflow.
💡 Hint: In 8-bit two's complement, check the upper limits of negative values.
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Reference links
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