Computer Systems: A Programmer's Perspective Plus Mastering Engineering With Pearson Etext -- Access Card Package (3rd Edition)
3rd Edition
ISBN: 9780134123837
Author: Randal E. Bryant, David R. O'Hallaron
Publisher: PEARSON
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Question
Chapter 2.3, Problem 2.28PP
Program Plan Intro
Unsigned negation:
The unsigned negation is represented by “
For any number “x” such that
From the above equation,
- When “x” is “0”, then its unsigned negation value is “0”.
- When “x > 0”, then its unsigned negation value is “2w – x”.
Example:
The example for unsigned negation is shown below:
Here assume bit length, “w” is “4”.
Case 1: consider the value of “x” is “0”, then
Case 2: consider the value of “x” is “6” that is “x > 0”. So, compute the unsigned negation by using
Therefore,
Table for corresponding hexadecimal and binary value:
Hex digit | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Decimal value | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Hex digit | 8 | 9 | A | B | C | D | E | F |
Decimal value | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
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Chapter 2 Solutions
Computer Systems: A Programmer's Perspective Plus Mastering Engineering With Pearson Etext -- Access Card Package (3rd Edition)
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