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Cambridge AS & A Level Computer Science

13.1User-defined data types

User-defined data types in Cambridge AS & A Level Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 13.1.1Explain why user-defined types are needed.
  2. 13.1.2Define and use non-composite (enumerated, pointer) and composite (set, record, class) types and design one for a problem.

Lessons

  • User-defined data types

    55 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

User-defined data types: sample question

1 mark

What is an enumerated data type?

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