Practice Global and Local Variables - 3.3 | Chapter 8: Statements and Scope | ICSE Class 12 Computer Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a global variable?

💡 Hint: Think about where it can be accessed from.

Question 2

Easy

In which scenario can you access a local variable?

💡 Hint: Consider the visibility of variables.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is a local variable?

  • A variable defined outside a function
  • A variable defined inside a function
  • A variable that is global

💡 Hint: Where do you see local variables in your code?

Question 2

The global keyword is used to:

  • Declare a new variable
  • Modify a global variable
  • Delete a variable

💡 Hint: Think of variable access rules.

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Challenge Problems

Push your limits with challenges.

Question 1

Create a program that utilizes both global and nonlocal variables. Explain how changes to these variables affect function outputs.

💡 Hint: Consider how each variable interacts within its scope.

Question 2

Describe a scenario where using global variables could lead to debugging issues in a large codebase.

💡 Hint: Think about function interactions and data flow.

Challenge and get performance evaluation