Practice - I/O Command Execution
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Practice Questions
Test your understanding with targeted questions
Define Polling in the context of I/O operations.
💡 Hint: Remember, it's about constantly checking the device status.
What is the purpose of a status bit?
💡 Hint: Think of it as a readiness signal.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is programmed I/O?
💡 Hint: Think about how the CPU interacts with devices.
True or False: In isolated I/O, both memory and I/O devices share the same address space.
💡 Hint: Recall the definitions of both I/O addressing methods.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Describe how you would implement a loop in a device service routine to handle polling for a device's readiness.
💡 Hint: What coding structure would you use for continuous checking until a condition is met?
Given a memory space of 1MB, explain how many I/O devices can be connected using both memory-mapped and isolated I/O methods.
💡 Hint: What is the relation between address space and device capacity in each scheme?
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