How long is the delay generated by the following code(in seconds)? Assume that the Dealy subroutine generates a 1-second delay. Justify your answer. Ignore the execution time for instructions that are in microseconds. MOV R1,#5 L2: MOVA, R1 RL A MOV R2, A L1: CALL Delay DJNZ R2, L1 DJNZ R1, L2

How long is the delay generated by the following code(in seconds)? Assume that the Dealy subroutine generates a 1-second delay. Justify your answer. Ignore the execution time for instructions that are in microseconds. MOV R1,#5 L2: MOVA, R1 RL A MOV R2, A L1: CALL Delay DJNZ R2, L1 DJNZ R1, L2

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

How long is the delay generated by the following code(in seconds)? Assume that
the Dealy subroutine generates a 1-second delay. Justify your answer. Ignore the
execution time for instructions that are in microseconds.
MOV R1,#5
MOV A, R1
L2:
RL A
MOV R2, A
L1: CALL Delay
DJNZ R2, L1
DJNZ R1, L2

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