Practice - Program-Controlled I/O (Polling)
Practice Questions
Test your understanding with targeted questions
What is program-controlled I/O?
💡 Hint: Think about how the CPU communicates with the devices.
What does the status register indicate?
💡 Hint: Consider the role of the status register.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main method used in program-controlled I/O?
💡 Hint: What action does the CPU repeatedly perform in polling?
True or False: The status register provides real-time information about the I/O device's state.
💡 Hint: Think about the role of the status register.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A system utilizes polling to manage multiple peripherals such as a keyboard, printer, and network card. Describe the potential impact on system performance as you add more devices. How could this be mitigated?
💡 Hint: Consider how responsiveness changes with the number of devices.
Evaluate a scenario where polling is preferable over interrupt-driven I/O. What trade-offs exist in this decision?
💡 Hint: Think about contexts where timing is crucial.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.