Top 16: Data Types and Structures

Question 1

A variable is a

Answer 1

data item required to be input by user when a program is run.

Question 2

When declaring, a variable creates a

Answer 2

storage area in memory where variable will be held while the program is run

Question 3

To declare a variable we must

Answer 3

identify all the variable which will be used by the program and their data types

Question 4

There are 5 data types and they are;

Answer 4

string, integer, real, boolean, 1D arrays

Question 5

String is used to hold

Answer 5

text, for examples names and addresses. (alphanumeric data)

Question 6

Integer is used to hold

Answer 6

a number with no decimal parts, e.g. 4, -2

Question 7

Real is used to hold

Answer 7

number with fractional parts, e.g. 3.7

Question 8

A boolean is

Answer 8

a data type that hold only one of two values. e.g. yes or no, true or false

Question 9

A 1D array is a sepcial category of variable because

Answer 9

it can hold multiple pieces of similar data whereas normal data can only hold one. E.g. a highscore on a game

Question 10

A fixed loop will

Answer 10

go through the code a set number of times.