Practice Integer Arithmetic: Addition And Subtraction Of Two's Complement Numbers (3.3.3)
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Integer Arithmetic: Addition and Subtraction of Two's Complement Numbers

Practice - Integer Arithmetic: Addition and Subtraction of Two's Complement Numbers

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Convert +5 to 4-bit two's complement.

💡 Hint: Use direct binary representation.

Question 2 Easy

What is the two's complement representation of -3 in 4 bits?

💡 Hint: Invert the bits of +3 and add 1.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the two's complement of -5 in 4 bits?

1011
1101
0111

💡 Hint: Think of flipping the bits first and then adding one.

Question 2

True or False: Overflow occurs when adding a positive number and a negative number.

True
False

💡 Hint: Consider the ranges of the numbers involved.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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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