Practice Control Decisions (24.5.3) - External Devices and Their Types
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Control Decisions

Practice - Control Decisions

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are human-readable devices? Provide one example.

💡 Hint: Think of devices you can see and interact with directly.

Question 2 Easy

List the levels of memory hierarchy.

💡 Hint: Consider the speed and size of different storage types.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of an I/O module?

To execute programs faster
To manage communication between the CPU and devices
To increase storage capacity

💡 Hint: Think about what roles I/O modules play.

Question 2

True or False: Data buffering allows the CPU to process data more quickly by storing it temporarily.

True
False

💡 Hint: Reflect on the role of buffers in data transfer.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Critically evaluate the efficiency of using programmed I/O in a modern computer system. What alternatives might provide better performance?

💡 Hint: Consider how busy waiting affects CPU productivity.

Challenge 2 Hard

Design an I/O system for a hypothetical device requiring rapid data transfer. Which methods would you implement, and why?

💡 Hint: Think about the requirements of data transfer speed and CPU efficiency.

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