Data Types A-Level

Data Types

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ComputingUpper Secondary (Key Stage 4)GCSE

This lesson contains 18 slides, with text slides.

Items in this lesson

Data Types

24/01/24

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What data types can you name?

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Integer (int)

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Integer

Represents whole numbers without any decimal points. Examples: -3, 0, 42.

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Floating point (float)

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Floating point (float)

Represents numbers with decimal points.

Examples: -3.14, 2.718, 0.0.

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Character (char)

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Character (char)

Represents a single character

Examples: 'a", """ or "5".

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Boolean (bool)

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Boolean (bool)

Represents true or false values.

Examples: 1/0, true/false

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String

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String

Represents a sequence of characters.

Example: "Hello, World!", "Oi, that's my sandwich. Yours is still in the fridge."

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Array

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Array

A collection of elements of the same data type.

Example: int numbers[5] = {1, 2, 3, 4, 5};

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Date/Time

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Date/Time

Used to represent dates.

Examples: "20/01/2023".

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Record

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Record

A record is a composite data type that groups together related data fields under one name.

student_record = {"name":"Dave Davidson", "age":18, "grade":"A"}

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