Computer Science

What is data?
Raw, unorganised facts that are yet to be processed
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What is information?
Data that has been processed, organised, structured, or presented in a certain context
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What is a variable?
A structure that can hold data and are uniquely named by the programmer
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What is the feature of a variable?
The data assigned to it is held until it is changed or the program completes
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What is a constant?
A structure that can hold data but their initial assigned value cannot change
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What is a data type?
A way of classifying various types of data and what actions they can perform
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Give examples of data types (5)
Integer\Boolean\Real\Character\String
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What is an integer?
A whole number
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What is a boolean?
A binary variable that can be 0 or 1 (true or false)
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What is a real?
A decimal number
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What is a character?
A single unit of information
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What is a string?
Multiple characters
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What is an array?
An array is an ordered arrangement of data elements that are accessed by referencing their location within the array
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Other cards in this set

Card 2

Front

What is information?

Back

Data that has been processed, organised, structured, or presented in a certain context

Card 3

Front

What is a variable?

Back

Preview of the front of card 3

Card 4

Front

What is the feature of a variable?

Back

Preview of the front of card 4

Card 5

Front

What is a constant?

Back

Preview of the front of card 5
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