Section 2: Negative Numbers Flashcards

1
Q

Q: What is two’s complement representation?

A

A: A method to represent signed integers, where negative numbers are formed by inverting all bits of the positive number and adding 1.

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2
Q

Q: Why is two’s complement useful?

A

A: It simplifies arithmetic operations, as the same hardware can handle both addition and subtraction.

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3
Q

Q: How do you convert 5^10 to −5^10​ using two’s complement (8-bit)?

A

A:
Represent 55: 00000101
Invert: 11111010
Add 1: 11111011

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