Practice - Device Service Routine
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Practice Questions
Test your understanding with targeted questions
Define programmed I/O.
💡 Hint: Think about how the CPU interacts with I/O devices.
What does polling mean?
💡 Hint: Consider the action of continuously checking something.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of programmed I/O?
💡 Hint: Focus on the control aspect of I/O.
True or False: Isolated I/O and memory-mapped I/O use the same address space.
💡 Hint: Consider how addresses are allocated in each scheme.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Construct a flowchart that illustrates the steps an I/O operation follows, from initiation to data transfer.
💡 Hint: Use shapes to represent different stages of the process.
In a given memory-mapped scheme, if 255 addresses are reserved for memory and 15 for I/O, how many total devices can be addressed?
💡 Hint: Calculate the number of devices based on the reserved addresses.
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