Practice I/o_device_select: Select A Specific I/o Device For Communication (5.1.2.3.3)
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I/O_Device_Select: Select a specific I/O device for communication

Practice - I/O_Device_Select: Select a specific I/O device for communication

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define control signals.

💡 Hint: Think about how commands are sent to devices.

Question 2 Easy

What are select lines used for?

💡 Hint: Consider how the CPU knows which device to address.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What are control signals?

Electrical commands
Data storage
Instruction results

💡 Hint: Think about what directs data flow in the CPU.

Question 2

True or False: The timing of I/O operations is irrelevant.

True
False

💡 Hint: Consider what happens if devices respond too early or late.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a scenario where three I/O devices need to communicate with the CPU simultaneously, design a control signal scheme that ensures data integrity and correct addressing.

💡 Hint: Consider how you would rank the devices and decide the order in which they can communicate.

Challenge 2 Hard

Discuss potential scenarios where timing errors might occur in selecting an I/O device. What preventive measures can be put in place?

💡 Hint: Think about how devices signal readiness and how the CPU can wait for an acknowledgment.

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Reference links

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