Programming Constructs

Question 1

What are the three programming constructs?

Answer 1

• Sequence
• Selection
• Iteration

Question 2

What is the sequence construct?

Answer 2

Sequence constructs tells the processor which statement is to be executed next, this is usually two or more statements following one after another.

Question 3

What is an assignment statement?

Answer 3

A value is assigned to a variable

Question 4

What is the selection statement?

Answer 4

Selection statement are used to select which statement will be executed next, depending on some condition, conditions are formulated using relational operators.

Question 5

What is a repetition construct?

Answer 5

• Repetition construct causes a group of one or more program statements to be invoked repeatedly until some end condition met
• Iterative statements always involve performing a loop in the program to repeat a number of statements.

Question 6

What are the two types of iteration?

Answer 6

• Indefinite Iteration

* Definite Iteration

Question 7

What is indefinite iteration?

Answer 7

Where the iteration continues until some specified condition is met, includes WHILE ENDWHILE REPEAT UNTIL

Question 8

What is a definite iteration?

Answer 8

Number of times the loop is to be executed is decided in advance.