Essentials of Computer Organization and Architecture
5th Edition
ISBN: 9781284123036
Author: Linda Null
Publisher: Jones & Bartlett Learning
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Chapter 5, Problem 10E
Explanation of Solution
Number of one–address instructions:
Given,
- The number of two-address instructions is 250.
- If 32-bit instructions are allowed, then 256 two-address instructions are allowed which takes 24-bits by leaving 8-bits for the opcode.
- By observing 8-bit opcode, assume the bit pattern 00000000 as 11111001 and it is used by 250 two-address instructions.
- The number of 6-bit patterns left out for one-address instructions is 1.
- The number of one-address instructions for possessing one operand through 12-bits is
The following table describes about two-address and one-address instructions.
| 00000000 | ************ | ************ | 250 two-address instructions | |
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Chapter 5 Solutions
Essentials of Computer Organization and Architecture
Ch. 5 - Prob. 1RETCCh. 5 - Prob. 2RETCCh. 5 - Prob. 3RETCCh. 5 - Prob. 4RETCCh. 5 - Prob. 5RETCCh. 5 - Prob. 6RETCCh. 5 - Prob. 7RETCCh. 5 - Prob. 8RETCCh. 5 - Prob. 9RETCCh. 5 - Prob. 10RETC
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