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An instruction in address (021)16 in the simple machine has a mode bit I = 0, an operation code of the AND instruction, and an address part equal to (083)16. The memory word at address (083)16 contains the operand (B8F2)16 and the content of the AC is (A937)16. Go over the fetch and execute cycles and determine the content of the following registers at the end of the execute cycle: PC, MAR, MBR, AC, and OPR. Repeat the problem six more times starting with the operation code of another memory reference instruction with the initial values as defined earlier.

An instruction in address (021)16 in the simple machine has a mode bit I = 0, an operation code of the AND instruction, and an address part equal to (083)16. The memory word at address (083)16 contains the operand (B8F2)16 and the content of the AC is (A937)16. Go over the fetch and execute cycles and determine the content of the following registers at the end of the execute cycle: PC, MAR, MBR, AC, and OPR. Repeat the problem six more times starting with the operation code of another memory reference instruction with the initial values as defined earlier.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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An instruction in address (021)16 in the simple machine has a mode bit I = 0, an operation code of the
AND instruction, and an address part equal to (083)16. The memory word at address (083)16 contains the
operand (B8F2)16 and the content of the AC is (A937)16. Go over the fetch and execute cycles and determine the
content of the following registers at the end of the execute cycle: PC, MAR, MBR, AC, and OPR. Repeat the
problem six more times starting with the operation code of another memory reference instruction with the initial
values as defined earlier.

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