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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does PIO stand for?
💡 Hint: Think about how data is managed in relationships between CPU and devices.
Question 2
Easy
What is the main function of polling in PIO?
💡 Hint: Describe an everyday scenario where checking is done repeatedly.
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 the primary characteristic of Programmed I/O?
- CPU is not involved
- CPU manages all I/O operations
- Devices manage their own data
💡 Hint: Consider who is in charge of moving the data.
Question 2
True or False: PIO is efficient for multitasking.
- True
- False
💡 Hint: Think about how often the CPU has to wait.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a scenario where a CPU might benefit from using Programmed I/O instead of DMA or interrupt-driven methods. Consider both the advantages and limitations.
💡 Hint: Think of systems where simplicity and low overhead tasks are crucial.
Question 2
Critique the effectiveness of PIO when handling multiple I/O devices simultaneously. What alternatives could optimize the overall system performance?
💡 Hint: Consider how modern systems manage multiple tasks without delay.
Challenge and get performance evaluation