Programming Basics - Data Types

Question 1

5 main data types

Answer 1

Integer
Real
Boolean
Character
String

Using correct data types makes code more memory efficient, robust

Question 2

Data type: Integer

Answer 2

Whole number
‘int’

Question 3

Data type: Real

Answer 3

Decimals
‘real’

Question 4

Data type: Boolean

Answer 4

Can take one of two values: e.g. true or false
‘bool’

Question 5

Data type: Character

Answer 5

A single letter, character, symbol
‘char’

Question 6

Data type: String

Answer 6

To represent text
‘string’

Question 7

Size of integer

Answer 7

2 bytes

Question 8

Size of real

Answer 8

4 bytes

Question 9

Size of boolean

Answer 9

1 byte

Question 10

Size of character

Answer 10

1 byte

Question 11

Size of string

Answer 11

1 byte per character

Question 12

Casting

Answer 12

Functions to manually convert between data types
e.g. int(), real(), bool(), str()