Data Types
Lesson Instructions
Lesson Instructions
Watch and follow the YouTube video, the lesson contains three parts:
Key Information and content - all you need to do here is watch and listen
Learning activity - this activity involves answering different questions about data types and identifying variables as key data types
Consolidation - these are past exam question and are for deliberate practice to check your understanding.
Data Types Full Lesson Video.mp4Task - Data Types & Casting
Task - Data Types & Casting
Task - Exam Questions - Deliberate Practice
Task - Exam Questions - Deliberate Practice
Mark Scheme
Mark Scheme
Question 1
Question 1
ORIGIN
Data type: String
Reason: Consists of characters
Size
Data type: Integer
Reason: Consists of whole numbers
Question 2
Question 2
A number can contain a fractional part
A whole number
(Not rounded off)
Question 3
Question 3
(a)
Integer/Int
It is a whole number/you can't have half a word
(b)
String (name)
Real/Single/Double/Currency/Float/Decimal
Question 4
Question 4
1 mark per row.
Gender - String
Dose - Real/Decimal
isPregnant - Boolean