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Why does the following pseudocode not perform as indicated in the comments

Why does the following pseudocode not perform as indicated in the comments

Database System Concepts
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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Why does the following pseudocode not perform as indicated in the comments?

 

### Input Validation: Debugging Exercises #### 1. Debugging Exercise **Question**: Why does the following pseudocode not perform as indicated in the comments? ```plaintext // This program asks the user to enter a value // between 1 and 10 and validates the input. Declare Integer value // Get a value from the user. Display "Enter a value between 1 and 10." Input value // Make sure the value is between 1 and 10. While value < 1 AND value > 10 Display "ERROR: The value must be between 1 and 10." Display "Enter a value between 1 and 10." Input value End While ``` **Explanation**: - The pseudocode is intended to prompt the user to enter a number between 1 and 10. - The condition in the `While` loop, `value < 1 AND value > 10`, is logically incorrect because a number cannot be simultaneously less than 1 and greater than 10. This condition will never be true, so the loop intended to ensure valid input will not execute if the user inputs an invalid number. - As a result, the program will not perform the intended validation check. **Correction**: - The condition should use `OR` instead of `AND`: ```plaintext While value < 1 OR value > 10 ``` - This ensures that the loop continues until the `value` is within the valid range of 1 to 10. #### 2. Further Exercise (Only exercise 1 was extracted from the image, further content was not legible or provided.)
Transcribed Image Text:### Input Validation: Debugging Exercises #### 1. Debugging Exercise **Question**: Why does the following pseudocode not perform as indicated in the comments? ```plaintext // This program asks the user to enter a value // between 1 and 10 and validates the input. Declare Integer value // Get a value from the user. Display "Enter a value between 1 and 10." Input value // Make sure the value is between 1 and 10. While value < 1 AND value > 10 Display "ERROR: The value must be between 1 and 10." Display "Enter a value between 1 and 10." Input value End While ``` **Explanation**: - The pseudocode is intended to prompt the user to enter a number between 1 and 10. - The condition in the `While` loop, `value < 1 AND value > 10`, is logically incorrect because a number cannot be simultaneously less than 1 and greater than 10. This condition will never be true, so the loop intended to ensure valid input will not execute if the user inputs an invalid number. - As a result, the program will not perform the intended validation check. **Correction**: - The condition should use `OR` instead of `AND`: ```plaintext While value < 1 OR value > 10 ``` - This ensures that the loop continues until the `value` is within the valid range of 1 to 10. #### 2. Further Exercise (Only exercise 1 was extracted from the image, further content was not legible or provided.)
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