3.2.2 - Programming concepts

Question 1

What are the three basic programming constructs?

Answer 1

Sequence
Selection
Iteration

Question 2

Variable

Answer 2

A named memory location that stores a value that can change.

Question 3

Constant

Answer 3

A value that does not change during program execution.

Question 4

Selection

Answer 4

Using a condition to control program flow.

if age >= 18:
print(“Adult”)
else:
print(“Child”)

Question 5

Iteration

Answer 5

Repeating a set of instructions using loops (e.g., FOR, WHILE) until a condition is met.

Question 6

Count-controlled iteration

Answer 6

for i in range(5): print(i)

Question 7

Condition-controlled iteration

Answer 7

while not_done: do_task()

Question 8

Assignment

Answer 8

Setting or updating the value stored in a variable.

Question 9

Nested iteration

Answer 9

Using one loop inside another loop to repeat code in multiple layers.

Question 10

Nested selection

Answer 10

A selection statement placed inside another selection statement to make decisions based on multiple conditions.