Practice Programmed I/o (2.9.1) - Organization and Structure of Modern Computer Systems
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Programmed I/O

Practice - Programmed I/O

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does Programmed I/O allow the CPU to do?

💡 Hint: Think about how the CPU interacts with devices.

Question 2 Easy

What is polling?

💡 Hint: What action does the CPU take with respect to the device?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is Programmed I/O?

A method for managing I/O through polling
An automatic data transfer method
A method that prevents CPU involvement

💡 Hint: Consider what role the CPU takes in this method.

Question 2

True or False: Programmed I/O allows devices to signal the CPU when they need attention.

True
False

💡 Hint: Remember how polling and interrupts differ.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze a situation in a computer system with multiple peripheral devices. What issues might arise from using Programmed I/O?

💡 Hint: Consider the impact on CPU processing times.

Challenge 2 Hard

Design a low-cost embedded system that uses Programmed I/O. Explain your reasoning for using this approach.

💡 Hint: Think about simplicity and cost advantages.

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Reference links

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