Programming fundamentals

Question 1

What are the three constructs that are used to control the flow of a program?

Answer 1

Sequence, selection, iteration

Question 2

What is a sequence?

Answer 2

Structuring code into a logical, progressive order

Question 3

What is a selection?

Answer 3

Decision making using if statements

Question 4

What is iteration?

Answer 4

Repeating code using for or while loops

Question 5

What is a Variable?

Answer 5

Used to store data in programs

Can be changed as the program runs

Question 6

What is a constant?

Answer 6

A fixed variable. Data does not change

Question 7

Comparison operators

Answer 7

used to compare two data values

Question 8

Greater than operator

Answer 8

>

Question 9

Less than operator

Answer 9

<

Question 10

Greater than or equal to operator

Answer 10

> =

Question 11

Less than or equal to operator

Answer 11

<=

Question 12

Equal to operator

Answer 12

==

Question 13

Not equal to operator

Answer 13

!=

Question 14

Modulo division operator

Answer 14

MOD (%)

reveals the remainder from the last whole number

Question 15

Integer division operator

Answer 15

DIV (//)

reveals a whole number

Question 16

What is the operator for ‘to the power of’

Answer 16

e.g. 2^3 = 8 is the same as:
2 to the power of 3 = 8