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C Programming If-Else Statements

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Questions and Answers

What is the purpose of using the 'Else' keyword in an If...Then...Else statement?

To execute a statement if a condition is true
To select one of many blocks of code to execute
To execute a statement if a condition is not true (correct)
To end the If...Then...Else statement

What is the main difference between an If...Then...Else statement and an If...Then...ElseIf statement?

The ability to select one of many blocks of code to execute
The use of the 'Else' keyword
The use of the 'Then' keyword
The number of blocks of code that can be executed (correct)

What is the purpose of using a Select Case statement?

To execute a statement if a condition is not true
To end an If...Then...Else statement
To execute a statement if a condition is true
To select one of many blocks of code to execute (correct)

What is the syntax of an If...Then...Else statement when executing more than one statement if a condition is true?

If condition Then statement1; statement2; ... End If (A) Signup and view all the answers

What is the purpose of using an If...Then...Else statement?

To execute different blocks of code based on a condition (A) Signup and view all the answers

What is an alternative to using an If...Then...Else statement?

Select Case statement (D) Signup and view all the answers

What is the purpose of the IF statement in the Grade Checker Program?

To check if the grade is passing or not (A) Signup and view all the answers

What will be displayed if the user's grade is below 50 in the Grade Checker Program?

Sorry, you did not pass. (C) Signup and view all the answers

What is the condition for recommending light clothing in the Temperature Adviser Program?

Temperature is 20 degrees Celsius or above (D) Signup and view all the answers

What type of statement can be used to provide multiple alternatives based on different conditions?

Select Case Statement (D) Signup and view all the answers

What is the purpose of the ELSE clause in an If...Then...Else Statement?

To specify an action if the condition is false (C) Signup and view all the answers

What is the primary function of conditional statements in Visual Basic?

To execute different sets of code based on certain conditions (D) Signup and view all the answers

What is the syntax for an If...Then...Else Statement?

IF condition THEN action ELSE alternative action (C) Signup and view all the answers

Which of the following conditional statements is used to execute different sets of code based on multiple conditions?

If...Then...Elself statement (D) Signup and view all the answers

What is the purpose of the Else block in an If-Else statement?

To execute code when the condition is false (C) Signup and view all the answers

What is the syntax of an If-Else statement in VB?

If condition Then code Else code End If (C) Signup and view all the answers

What is the main difference between an If statement and an If-Else statement?

The If statement is used for single conditions, while the If-Else statement is used for multiple conditions (B) Signup and view all the answers

What is the purpose of the Select Case statement in VB?

To execute different sets of code based on a single value (C) Signup and view all the answers

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Study Notes

Conditional Statements

Conditional statements are used to perform different actions for different decisions.
They are used to execute different sets of code based on certain conditions.

Types of Conditional Statements

If statement
If...Then…..Else statement
If...Then...Elself statement
Select Case statement

If-Else Statement

A decision-making statement that decides whether to execute a part of the code based on a specified condition (test expression).
If the condition is true, the code inside the if block is executed.
If the condition is false, the code inside the else block is executed.

Syntax of If-Else

If (condition) { execute this code } else { execute this code }

Examples of If-Else Statements

Grade Checker Program: checks if a student's grade meets a passing requirement (50 or above).
Temperature Adviser: provides clothing recommendations based on the temperature input by the user.
Voter Classifier: (program objective not specified)

VBScript Conditional Statements

VBScript Conditional Statements are used to execute different sets of code based on certain conditions.
Objectives: explain VBScript Conditional Statements, identify different Conditional Statements in Visual Basic, and make an If-Else Statement.

If-Else Statement in VB

Example of a VB program to demonstrate the use of if-else statement.
Uses the syntax: If (condition) Then { execute this code } Else { execute this code }

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