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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is program-controlled I/O?
💡 Hint: Think about how the CPU communicates with the devices.
Question 2
Easy
What does the status register indicate?
💡 Hint: Consider the role of the status register.
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 the main method used in program-controlled I/O?
- Continuous checking
- Interrupts
- Direct Memory Access
💡 Hint: What action does the CPU repeatedly perform in polling?
Question 2
True or False: The status register provides real-time information about the I/O device's state.
- True
- False
💡 Hint: Think about the role of the status register.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation