Memory Trick

Part of Variable Scope · Section 5 of 7

Study NotesUnit: 3.2 ProgrammingGCSE

This study notes covers Memory Trick within Variable Scope for GCSE Computer Science. 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 be a useful differentiator on mixed-topic papers. It is section 5 of 7 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Memory Trick

Local = Lives Locally (inside function only)
Global = Goes everywhere (whole program)

Practice 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

Quick recall 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

Deep Dive: Scope Example

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