Q7: When a user is asked to input one digit, how can you test to make sure that a user entered only one? Assuming the user's input is stored in a variable named, digit, write the code that displays an appropriate error message. NOTE: Be sure to test for positive and negative values.

Q7: When a user is asked to input one digit, how can you test to make sure that a user entered only one? Assuming the user's input is stored in a variable named, digit, write the code that displays an appropriate error message. NOTE: Be sure to test for positive and negative values.

Programming with Microsoft Visual Basic 2017

8th Edition

ISBN:9781337102124

Author:Diane Zak

Publisher:Diane Zak

Chapter5: The Repetition Structure

Section: Chapter Questions

Problem 2MQ3

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Concept explainers

Control structures

Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.

Switch Statement

The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.

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Q7: When a user is asked to input one digit, how can you test to make sure that a user entered only one? Assuming the
user's input is stored in a variable named, digit, write the code that displays an appropriate error message. NOTE: Be
sure to test for positive and negative values.

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