Programming Contrstucts

Question 1

Explain Sequence

Answer 1

sequence denotes the order in which instructing are carried out by the computer.

Each statement is carried out one after the other in a sequence

Question 2

Explain Selection

Answer 2

the sequence of instructions within a program can be changed based on the values of variables withing that program

this means that certain statements are selected based on a value

this is achieved through the use of IF statements and Boolean operators

Question 3

Explain iteration

Answer 3

iteration is another word for repetition

Repetition is used to be carried out more than once

2 forms :conditional unconditional