Preview of practice Linking Gui Components With Callbacks (14.3.3) - Real-Time Signal Processing using MATLAB
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Linking GUI Components with Callbacks

Practice - Linking GUI Components with Callbacks

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a callback in a GUI?

💡 Hint: Think about user interaction and response.

Question 2 Easy

How do you define a callback for a push button in SciLab?

💡 Hint: Look at the syntax for creating a button.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What command would you use to create a push button that triggers a callback?

uicontrol('style'
'pushbutton'
'callback'
'functionName')
createButton('pushbutton'
'functionName')
button('style'
'pushbutton'
'callback'
'functionName')

💡 Hint: Look for the correct command format.

Question 2

True or False: A callback must always return a value.

True
False

💡 Hint: Consider the purpose of a callback function.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a GUI application that contains a push button and a text box. When the button is clicked, the application should display the text written in the text box as a message box.

💡 Hint: Consider how to read data from an editable text box.

Challenge 2 Hard

Design a SciLab GUI with multiple buttons that change the color of a panel based on which button is pressed. Each button should have a different color.

💡 Hint: Think about using RGB values to define the colors in your functions.

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Reference links

Supplementary resources to enhance your learning experience.