Write equivalent instruction sequences using string instructions for each of the following instruction sequences:( Use minimum number of instructions) a) MOV AL , [SI] MOV [DI] , AL INC SI INC DI b) MOV AX , [S] INC SI INC SI c) MOV AL , [DI] CMP AL , [ SI] DEC SI DEC DI

Write equivalent instruction sequences using string instructions for each of the following instruction sequences:( Use minimum number of instructions) a) MOV AL , [SI] MOV [DI] , AL INC SI INC DI b) MOV AX , [S] INC SI INC SI c) MOV AL , [DI] CMP AL , [ SI] DEC SI DEC DI

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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Concept explainers

Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer. 

Question

Write equivalent instruction sequences using string instructions for each of the
following instruction sequences : ( Use minimum number of instructions)
a) MOV AL , [S]
MOV [DI] , AL
INC SI
INC DI
b) MOV AX , [SI]
INC SI
INC SI
c) MOV AL ,
[DI]
CMP AL , [ SI]
DEC SI
DEC DI

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