We can represent a bit pattern of length w = 4 with a single hex digit. For

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We can represent a bit pattern of length w = 4 with a single hex digit. For a two’s complement interpretation of these digits, fill in the following table to determine the additive inverses of the digits shown:

Hex 239 B C Decimal Decimal -4.* Hex

What do you observe about the bit patterns generated by two’s-complement and unsigned (Problem 2.28) negation?

Problem 2.28

We can represent a bit pattern of length w = 4 with a single hex digit. For an unsigned interpretation of these digits, use Equation 2.12 to fill in the following table giving the values and the bit representations (in hex) of the unsigned additive inverses of the digits shown.

Eq. 2.12

X X. 2-x. x=0 x>0 (2.12)


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Computer Systems A Programmers Perspective

ISBN: 9781292101767

3rd Global Edition

Authors: Randal E. Bryant, David R. O'Hallaron

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