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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does programmed I/O mean?
💡 Hint: Think about how you wait for a bus.
Question 2
Easy
What is memory-mapped I/O?
💡 Hint: Consider how data can be treated similarly for both memory and I/O.
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 programmed I/O?
- A method using interrupts
- A CPU active polling process
- An automatic system task
💡 Hint: Think about how the CPU interacts with devices.
Question 2
Is memory-mapped I/O more efficient for device communication?
- True
- False
💡 Hint: Consider the ease of access to devices.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a scenario where programmed I/O could significantly slow down a system's performance and suggest a solution.
💡 Hint: What other methods can help in waiting without constant checking?
Question 2
Explain how you would implement a control command for an I/O device that requires both reading data and checking its status.
💡 Hint: Think sequentially about what you need to do before reading data.
Challenge and get performance evaluation