Practice Event Handling Models (17.4) - Event-Driven Programming

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8 questions

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6 sample questions

Question 1.
What is the Polling Model?
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Think about how often it checks for events.
Question 2.
Define a Callback in programming.
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It's like a function that gets 'called back' later.
3Question 3.
What does the Polling Model do?
- Checks events continuously
- Waits for user input
- Responds to events asynchronously
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Remember its operational principle.
4Question 4.
True or False: The Interrupt/Callback Model is a synchronous approach.
- True
- False
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Think about how it handles user interactions.
Question 5.
In a web application, you have a button that fetches data from a server when clicked. Discuss how the Interrupt/Callback Model would be implemented to enhance user experience.
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Think about how loading indicators might be used.
Question 6.
Analyze a scenario where the Polling Model could lead to performance issues in an application and suggest an alternative approach.
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Consider the implications of checking too frequently.

4 more questions in this section. Enroll free to practise them all.