Practice - Programmed I/O (PIO)
Practice Questions
Test your understanding with targeted questions
What does PIO stand for?
💡 Hint: Think about how data is managed in relationships between CPU and devices.
What is the main function of polling in PIO?
💡 Hint: Describe an everyday scenario where checking is done repeatedly.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary characteristic of Programmed I/O?
💡 Hint: Consider who is in charge of moving the data.
True or False: PIO is efficient for multitasking.
💡 Hint: Think about how often the CPU has to wait.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
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