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What is a loop in a program?
What is a loop in a program?
- A part of a program that executes for a specific number of iterations
- A part of a program that executes only for a specific condition
- A part of a program that may execute more than one time (correct)
- A part of a program that executes only once
What is the format of a while loop?
What is the format of a while loop?
- while (condition) { statement(s); } (correct)
- while (condition); { statement(s); }
- if (condition) { statement(s); }
- loop (condition) { statement(s); }
What happens when the condition in a while loop is true?
What happens when the condition in a while loop is true?
- The program terminates
- The loop is exited
- The statement(s) are executed and then the condition is evaluated again (correct)
- The loop is skipped
What is an iteration in a while loop?
What is an iteration in a while loop?
What happens when the condition in a while loop is false?
What happens when the condition in a while loop is false?
Can the {} be omitted in a while loop?
Can the {} be omitted in a while loop?
What is the purpose of using a while loop?
What is the purpose of using a while loop?
What is the flow of control in a while loop?
What is the flow of control in a while loop?
What is the primary purpose of using a while loop in a program?
What is the primary purpose of using a while loop in a program?
What happens when the condition in a while loop is evaluated and found to be true?
What happens when the condition in a while loop is evaluated and found to be true?
What is the purpose of the {} in a while loop?
What is the purpose of the {} in a while loop?
What happens when a while loop condition is evaluated and found to be false for the first time?
What happens when a while loop condition is evaluated and found to be false for the first time?
What is the main difference between a while loop and other types of loops?
What is the main difference between a while loop and other types of loops?
What is the output of the following code: int val = 5; while (val >= 0) { cout << val; val--; }?
What is the output of the following code: int val = 5; while (val >= 0) { cout << val; val--; }?
What is the purpose of the increment and decrement operators in a while loop?
What is the purpose of the increment and decrement operators in a while loop?
What happens when the while loop condition is evaluated and found to be true for the first time?
What happens when the while loop condition is evaluated and found to be true for the first time?
What is the primary function of a while loop in a program?
What is the primary function of a while loop in a program?
What happens when the condition in a while loop is evaluated and remains true?
What happens when the condition in a while loop is evaluated and remains true?
What is the purpose of the increment and decrement operators in a loop?
What is the purpose of the increment and decrement operators in a loop?
What is the difference between a while loop and a do-while loop?
What is the difference between a while loop and a do-while loop?
What is the purpose of nesting loops?
What is the purpose of nesting loops?
What is the purpose of the break statement in a loop?
What is the purpose of the break statement in a loop?
What is the purpose of using counters in a loop?
What is the purpose of using counters in a loop?
What is the purpose of using a running total in a loop?
What is the purpose of using a running total in a loop?
A while loop can only execute once.
A while loop can only execute once.
The while loop condition is evaluated after the loop body is executed.
The while loop condition is evaluated after the loop body is executed.
The {} in a while loop can be omitted if there are multiple statements in the body.
The {} in a while loop can be omitted if there are multiple statements in the body.
An iteration is the initialization of the loop variable.
An iteration is the initialization of the loop variable.
A while loop will always execute at least once.
A while loop will always execute at least once.
The purpose of a while loop is to execute a statement only once.
The purpose of a while loop is to execute a statement only once.
The condition in a while loop is evaluated after the loop is exited.
The condition in a while loop is evaluated after the loop is exited.
A while loop can be used to execute a sequence of statements in a specific order.
A while loop can be used to execute a sequence of statements in a specific order.
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Study Notes
Introduction to Loops
- A loop is a part of a program that may execute more than one time, i.e., it repeats.
The while Loop
- The while loop format is:
while (condition) { statement(s); } - The
{}can be omitted if there is only one statement in the body of the loop.
How the while Loop Works
- The condition is evaluated, and if it is true, the statement(s) are executed, and then the condition is evaluated again.
- If the condition is false, the loop is exited.
- An iteration is an execution of the loop body.
while Loop Flow of Control
- The flow of control goes back to the top of the loop to re-evaluate the condition after each iteration.
while Loop Example
int val = 5; while (val >= 0) { cout ...; }is an example of a while loop, where the statement(s) inside the loop will execute as long as the conditionval >= 0is true.
Introduction to Loops
- A loop is a part of a program that may execute more than one time, i.e., it repeats.
The while Loop
- The while loop format is:
while (condition) { statement(s); } - The
{}can be omitted if there is only one statement in the body of the loop.
How the while Loop Works
- The condition is evaluated, and if it is true, the statement(s) are executed, and then the condition is evaluated again.
- If the condition is false, the loop is exited.
- An iteration is an execution of the loop body.
while Loop Flow of Control
- The flow of control goes back to the top of the loop to re-evaluate the condition after each iteration.
while Loop Example
int val = 5; while (val >= 0) { cout ...; }is an example of a while loop, where the statement(s) inside the loop will execute as long as the conditionval >= 0is true.
Introduction to Loops
- A loop is a part of a program that may execute more than one time, i.e., it repeats.
The while Loop
- The while loop format is:
while (condition) { statement(s); } - The
{}can be omitted if there is only one statement in the body of the loop.
How the while Loop Works
- The condition is evaluated, and if it is true, the statement(s) are executed, and then the condition is evaluated again.
- If the condition is false, the loop is exited.
- An iteration is an execution of the loop body.
while Loop Flow of Control
- The flow of control goes back to the top of the loop to re-evaluate the condition after each iteration.
while Loop Example
int val = 5; while (val >= 0) { cout ...; }is an example of a while loop, where the statement(s) inside the loop will execute as long as the conditionval >= 0is true.
Introduction to Loops
- A loop is a part of a program that may execute more than one time, i.e., it repeats.
The while Loop
- The while loop format is:
while (condition) { statement(s); } - The
{}can be omitted if there is only one statement in the body of the loop.
How the while Loop Works
- The condition is evaluated, and if it is true, the statement(s) are executed, and then the condition is evaluated again.
- If the condition is false, the loop is exited.
- An iteration is an execution of the loop body.
while Loop Flow of Control
- The flow of control goes back to the top of the loop to re-evaluate the condition after each iteration.
while Loop Example
int val = 5; while (val >= 0) { cout ...; }is an example of a while loop, where the statement(s) inside the loop will execute as long as the conditionval >= 0is true.
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