Practice - Steps in Programmed I/O
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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 the CPU ensures devices are ready for communication.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does programmed I/O require the CPU to do?
💡 Hint: Consider how the CPU controls communication with I/O devices.
True or False: In programmed I/O, the I/O module can directly interrupt the CPU.
💡 Hint: Think about how the CPU and I/O device communicate.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a simple interaction between a CPU and an I/O device using programmed I/O. Include steps for issuing commands, checking status, and reading/writing data.
💡 Hint: Break down each part of the interaction into clear, logical steps.
Discuss how using programmed I/O can lead to inefficiencies in CPU performance and suggest possible alternatives.
💡 Hint: Think about how interaction dynamics between devices and the CPU can be improved.
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