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Cambridge IGCSE Computer Science practice

What is a variable?

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Show answerP rogramming concepts revisionRevise the key idea

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MCQ

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cambridge_mcq

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Topic

P rogramming concepts

Exam-style question

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What is a variable?.

  1. A.A fixed value
  2. B.A storage location that can change
  3. C.A type of constant
  4. D.A programming error

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Paper 2 structured question: P rogramming concepts

Paper 2Algorithms, Programming and Logic1 marks

Description

Variable and Constant Declaration

In programming, variables are used to store data that can change, while constants are used for fixed values. For example, in Python, a variable can be declared as 'age = 25' and a constant can be declared as 'PI = 3.14'.

  1. a

    State What is the purpose of using constants in programming?

    Aim for approximately 1 distinct marking point.

    [1]