Data types

Question 1

Define and give an example of an Integer

Answer 1

A whole number e.g. 127, -56

Question 2

Define and give an example of a Real/Float

Answer 2

A number with a decimal point e.g. 3.4, -980.6

Question 3

Define Boolean

Answer 3

Data that can have one of 2 values- True or False

Question 4

Define and give an example of a Char

Answer 4

A single character, any number, letter, or symbol on its own e.g. 5, &

Question 5

Define and give an example of Date/Time

Answer 5

A value that states the date and time in any format e.g. 2019-07-23, 16:17

Question 6

Define and give an example of a Record

Answer 6

A collection of related data where each piece of data has its own data type e.g. record(person) contains age(integer) and name(string)

Question 7

Define and give an example of an Array

Answer 7

An array contains a series of values of the same data type, length is defined when the array is declared and is NOT variable e.g. [0,9,7,4,3]

Question 8

Define a Pointer/ Reference

Answer 8

A pointer stores the memory address of a value or objected located in computer memory