2.2 Programming Fundamentals

Question 1

Variable -

Answer 1

A named container that stores a value in RAM that CAN change.

Question 2

Constant -

Answer 2

A value that CANNOT change

Question 3

Data types -

Answer 3

Type of data stored in a variable

Question 4

String -

Answer 4

Alphanumeric characters

Question 5

Integer -

Answer 5

Whole numbers

Question 6

Real/float

Answer 6

Decimal numbers

Question 7

Boolean -

Answer 7

TRUE or FALSE

Question 8

Binary shifts

Answer 8

1 shift left = x2.
1 shift right = x1/2

Question 9

Sequence -

Answer 9

Each step is executed in the order that it is written. All algorithms are made up of at least a basic sequence of instructions.

Question 10

Selection -

Answer 10

Controls the flow of an algorithm by checking whether a condition is met or not before determining which steps should follow.

Question 11

Iteration -

Answer 11

Controls the flow of an algorithm by repeating a set of instructions either for a fixed number of time or whilst a set condition is met.

Question 12

Casting -