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Lesson 2 - Variables and data types
Matching exercise
Match the items on the right to the items on the left.
Check
Variable
???
The process of converting a variable from one data type to another. Errors occur if what you cast is not valid.
The type of data which can be stored in a variable. Once set a variable can only store values which have that data type.
A named reference to a block of data which can store values and be used in further calculations
The process of setting a peice of data into a variable. Data is always copied from right to left.
Assignment
???
The process of converting a variable from one data type to another. Errors occur if what you cast is not valid.
The type of data which can be stored in a variable. Once set a variable can only store values which have that data type.
A named reference to a block of data which can store values and be used in further calculations
The process of setting a peice of data into a variable. Data is always copied from right to left.
Data types
???
The process of converting a variable from one data type to another. Errors occur if what you cast is not valid.
The type of data which can be stored in a variable. Once set a variable can only store values which have that data type.
A named reference to a block of data which can store values and be used in further calculations
The process of setting a peice of data into a variable. Data is always copied from right to left.
Casting
???
The process of converting a variable from one data type to another. Errors occur if what you cast is not valid.
The type of data which can be stored in a variable. Once set a variable can only store values which have that data type.
A named reference to a block of data which can store values and be used in further calculations
The process of setting a peice of data into a variable. Data is always copied from right to left.
Check
OK
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