Essentials of Computer Organization and Architecture
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 6 × 212.

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
Ch. 5 - Prob. 11RETCCh. 5 - Prob. 12RETCCh. 5 - Prob. 13RETCCh. 5 - Prob. 14RETCCh. 5 - Prob. 15RETCCh. 5 - Prob. 16RETCCh. 5 - Prob. 17RETCCh. 5 - Prob. 18RETCCh. 5 - Prob. 19RETCCh. 5 - Prob. 20RETCCh. 5 - Prob. 21RETCCh. 5 - Prob. 22RETCCh. 5 - Prob. 23RETCCh. 5 - Prob. 24RETCCh. 5 - Prob. 25RETCCh. 5 - Prob. 1ECh. 5 - Prob. 2ECh. 5 - Prob. 3ECh. 5 - Prob. 4ECh. 5 - Prob. 5ECh. 5 - Prob. 6ECh. 5 - Prob. 7ECh. 5 - Prob. 8ECh. 5 - Prob. 9ECh. 5 - Prob. 10ECh. 5 - Prob. 11ECh. 5 - Prob. 12ECh. 5 - Prob. 13ECh. 5 - Prob. 14ECh. 5 - Prob. 15ECh. 5 - Prob. 16ECh. 5 - Prob. 17ECh. 5 - Prob. 18ECh. 5 - Prob. 19ECh. 5 - Prob. 20ECh. 5 - Prob. 21ECh. 5 - Prob. 22ECh. 5 - Prob. 23ECh. 5 - Prob. 24ECh. 5 - Prob. 25ECh. 5 - Prob. 26ECh. 5 - Prob. 27ECh. 5 - Prob. 28ECh. 5 - Prob. 29ECh. 5 - Prob. 1TFCh. 5 - Prob. 2TFCh. 5 - Prob. 3TFCh. 5 - Prob. 4TFCh. 5 - Prob. 5TFCh. 5 - Prob. 6TFCh. 5 - Prob. 7TFCh. 5 - Prob. 8TFCh. 5 - Prob. 9TFCh. 5 - Prob. 10TFCh. 5 - Prob. 11TFCh. 5 - Prob. 12TF
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