Preview of practice What Are Callbacks? (14.3.1) - Real-Time Signal Processing using MATLAB
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What are Callbacks?

Practice - What are Callbacks?

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a callback in a GUI application?

💡 Hint: Think about what happens when you click a button.

Question 2 Easy

How can you define a callback function in SciLab?

💡 Hint: Remember the format for defining functions.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a callback do in a GUI application?

Executes a script when a user interacts
Draws graphics on the screen
Stores user data

💡 Hint: It's something that happens due to user actions.

Question 2

True or False: Every GUI component can have a callback linked with it.

True
False

💡 Hint: Think about all elements that respond to user actions.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a SciLab GUI with two buttons: one that counts up and one that counts down, using callbacks to link functionality.

💡 Hint: Use global variables to maintain counter state between buttons.

Challenge 2 Hard

Design a GUI with an editable text box and a button; the button should display whatever is typed into the text box when clicked.

💡 Hint: Remember to access the field value using the correct property.

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Reference links

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