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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main purpose of the 8254 timer?
💡 Hint: Think about what timing signals are generally used for.
Question 2
Easy
What output would you expect when operating in Mode 0?
💡 Hint: Consider how output behavior changes when the timer counts down.
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 happens when the 8254 timer reaches zero in Mode 0?
- It resets immediately
- It outputs a high signal
- Nothing happens
💡 Hint: Recall how Mode 0 functions.
Question 2
True or False: The control word is an optional setting for the 8254 timer.
- True
- False
💡 Hint: Consider if the timer can work without it.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a circuit using the 8254 timer to produce a delay of 250 ms with a 2 MHz clock Input. Provide the assembly code needed.
💡 Hint: Count = Delay * Frequency. Restore the correct MVI values for control.
Question 2
What would you observe if the GATE pin is kept low while the timer is configured to Mode 0?
💡 Hint: Consider the role of GATE in enabling counting.
Challenge and get performance evaluation