ProgrammingStudy Notes

Deep Dive: Scope Example

Part of Variable Scope — GCSE Computer Science

This study notes covers Deep Dive: Scope Example within Variable Scope for GCSE Computer Science. Revise Variable Scope in Programming for GCSE Computer Science with 15 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 4 of 6 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 4 of 6

Practice

15 questions

Recall

10 flashcards

Deep Dive: Scope Example

global score = 0  // Global - accessible everywhere

function addPoints(points)
    local bonus = 10  // Local - only in this function
    score = score + points + bonus
endfunction

addPoints(5)
print(score)  // Works - score is global
print(bonus)  // ERROR - bonus doesn't exist here

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

Deep Dive: Scope Example

Deep Dive: Scope Example

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Practice Questions for Variable Scope

Quick Recall Flashcards

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