or a program execution, Step 1 is completed in the below diagram by filling the required CPU registers (PC, AC and IR). Fill the same registers for remaining steps. The contents of memory are shown hexadecimal and the list of opcodes is as under:
or a program execution, Step 1 is completed in the below diagram by filling the required CPU registers (PC, AC and IR). Fill the same registers for remaining steps. The contents of memory are shown hexadecimal and the list of opcodes is as under:
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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For a program execution, Step 1 is completed in the below diagram by filling the required CPU registers (PC, AC and IR). Fill the same registers for remaining steps. The contents of memory are shown hexadecimal and the list of opcodes is as under:
Transcribed Image Text:0001 =Load AC from Memory
0010 = Store AC to Memory
0101 = A dd to AC from Memory
er:
CPU Registers
5 70 PC
Memory
Memory
CPU Registers
570 18 3 5
571 5 8 3 6
572 2 8 3 6
570 1 8 3 5
AC571 5 8 3 6
1835 IR 572 2 8 36
PC
AC
IR
835 0 0 0 6
836 0 0 0 2
835 0 0 0 6
836 0 0 0 2
Step 1
Step 2
CPU Registers
PC
AC
CPU Registers
Memory
Memory
570 1 8 3 5
571 5 8 3 6
572 2 8 3 6
PC
570 1 8 3 5
AC571 5 8 3 6
IR 572 2 8 36
IR
835 0 0 0 6
836 0 0 0 2
0 006
835
836 0 0 0 2
Step 3
Step 4
Memory
CPU Registers
Memory
CPU Registers
PC
PC
570 1 8 3 5
571 5 8 3 6
572 2 8 3 6
570 1 8 3 5
AC571 5 8 3 6
IR 572 2 8 3 6
AC
IR
835 0 0 0 6
836 0 0 0 2
835 0 0 0 6
836 0 0 0 2
Step 5
Step 6
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