Practice Control Commands (25.2.2) - Programmed I/O Overview - Computer Organisation and Architecture - Vol 3
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Control Commands

Practice - Control Commands

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does programmed I/O mean?

💡 Hint: Think about how the CPU checks device status.

Question 2 Easy

Name the two types of I/O device mapping.

💡 Hint: Recall the methods used for mapping I/O devices discussed in class.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does programmed I/O require from the CPU?

Direct memory access
Continuous polling
Interrupt handling

💡 Hint: Think about the actions performed by the CPU when managing I/O.

Question 2

True or False: In memory-mapped I/O, I/O devices and memory locations share the same address space.

True
False

💡 Hint: Recall the definition of memory-mapped I/O.

3 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss the implications of using programmed I/O in a performance-sensitive system. What alternative methods could be implemented for better efficiency?

💡 Hint: Consider systems that handle real-time data and the strategic importance of response time.

Challenge 2 Hard

Develop a flowchart that diagrams the steps involved in a programmed I/O operation, including status checking and data transfer.

💡 Hint: Visual representation helps in visually connecting each process step involved.

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