Answered: Consider the following common task done…

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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Consider the following common task done repeatedly:
• Read the next input (x = read())
• If the input is not valid (valid(x)), exit the loop
• Print the input read (print(x))
• Repeat the loop
Using C++ syntax:
Write the loop above using a pretest loop, posttest loop and a user-located loop control mechanism. From the three which one is more readable and why?

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