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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main disadvantage of polling?
💡 Hint: Think about what else the CPU could do while waiting.
Question 2
Easy
What does ISR stand for?
💡 Hint: What happens when an interrupt occurs?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is a major drawback of polling?
- It uses less CPU time
- It can waste CPU cycles
- It improves system performance
💡 Hint: Think about how CPUs allocate their time.
Question 2
True or False: DMA requires direct CPU intervention for data transfers.
- True
- False
💡 Hint: Consider how DMA operates compared to other methods.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a system with multiple sensors, describe how you would implement both polling and interrupt-driven I/O and discuss the trade-offs.
💡 Hint: Consider system requirements and sensor importance.
Question 2
Design a simple data-logging application that uses DMA for speed. Describe how you'd handle potential issues such as buffer overflows.
💡 Hint: Think about data management and buffer strategies.
Challenge and get performance evaluation