Practice - Questions Addressing Objectives
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Practice Questions
Test your understanding with targeted questions
What is programmed I/O?
💡 Hint: Think about how the CPU interacts with devices.
Define polling in the context of I/O.
💡 Hint: Consider how often the CPU checks devices.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main disadvantage of programmed I/O?
💡 Hint: Consider how often the CPU waits for responses.
True or False: Memory-mapped I/O and isolated I/O can use the same addresses for devices and memory.
💡 Hint: Think about how addresses are allocated.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Consider a system where the CPU polls an input device. Calculate how CPU wasted time scales with the number of devices being polled. Discuss ways to optimize this.
💡 Hint: Think about the implications of adding devices.
Explain how the choice between memory-mapped and isolated I/O affects system design. Give an example of when to prefer one over the other.
💡 Hint: Consider the size and complexity of your system.
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Reference links
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