Practice Positive And Negative Numbers (8.2.1)

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9 questions

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6 sample questions

Question 1.
What is the range of values in an 8-bit unsigned binary number?
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Think about the maximum value that can be represented in binary.
Question 2.
How do you represent the decimal number -3 in Two's Complement?
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Use the steps for finding the Two's Complement.
3Question 3.
What is the maximum positive value represented in 8-bit Two's Complement?
- 255
- 127
- 128
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Think about the highest bit being used for the sign.
4Question 4.
True or False: In Sign Magnitude representation, -0 and +0 are represented the same way.
- True
- False
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Remember how Sign Magnitude is structured.
Question 5.
Prove that 7 + 7 in 4-bit binary gives an incorrect value due to overflow.
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Review your binary addition.
Question 6.
Demonstrate both the Sign Magnitude and Two's Complement representations of -5 and explain the difference.
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Be sure to follow the steps for each representation!

5 more questions in this section. Enroll free to practise them all.