Iteration (AQA GCSE Computer Science): Quizzes

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Iteration
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What is iteration in programming?

Repeating code sections multiple times

What is another common term for iteration?

Looping

What is the key difference between definite and indefinite loops?

Whether you know repetition count in advance

When should you use a FOR loop?

When you know exact repetition count

What happens to the counter variable in a FOR loop?

Automatically increments by 1

When does a WHILE loop check its condition?

Before running the code inside

Why does a REPEAT UNTIL loop always execute at least once?

Checks condition after running code

What is the critical difference between WHILE and REPEAT UNTIL loops?

When they check the condition

If an outer loop runs 4 times and inner loop runs 3 times, what is the total operations?

4×3=124 \times 3 = 12

Which loop type might not execute at all?

WHILE loop

What type of control do FOR loops use?

Count-controlled

What keyword does Python use for FOR loops?

range

What do indefinite loops check to decide whether to continue?

A Boolean condition

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