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3.2 ProgrammingLow Exam FrequencyOCR

Variable Scope

Revise Variable Scope in 3.2 Programming for GCSE Computer Science with 18 exam-style questions and 10 flashcards. This topic appears less often, but it can still pick up marks when it appears in mixed-topic papers.

Study this topic

1

Video Lesson

Notes2

Where Variables Live

Introduction3

Local vs Global

Notes4

Deep Dive: Scope Example

Notes5

Memory Trick

Notes6

Exam Tips

Notes7

Knowledge Organiser: Variable Scope

Summary

Sample Flashcards

What is variable scope?
Where a variable can be accessed in the code
What is a global variable?
A variable declared outside all subprograms, accessible anywhere in the program

Exam questions for Variable Scope

Where can a local variable be accessed?

  • A. Anywhere in the program
  • B. Only within the subprogram where it is declared
  • C. Only in the main program body
  • D. In any subprogram that calls the original subprogram
1 markfoundation

Identify and explain the scope error in this pseudocode: function calculateTotal(price, quantity) local total = price * quantity endfunction calculateTotal(10, 5) output total

2 marksstandard

18

exam-style questions

10

revision flashcards

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