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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a square wave?
💡 Hint: Think about the shape it makes on a graph.
Question 2
Easy
Which mode of the 8254 is used to generate square waves?
💡 Hint: Recall the modes we discussed in class.
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 is the main function of Mode 3 in the 8254 timer?
- Generating square waves
- Counting events
- Measuring time intervals
💡 Hint: Focus on the type of output produced.
Question 2
Is the initial count for a 10 kHz square wave generated with a 1 MHz clock equal to 100?
- True
- False
💡 Hint: Look back at how we derive the initial count.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If you want to generate a square wave of 5 kHz with a 2 MHz clock, what will be your initial count?
💡 Hint: Use the same formula for initial count we discussed.
Question 2
Write a complete assembly code to configure the 8254 for generating a square wave of 1 kHz with a clock frequency of 1 MHz.
💡 Hint: Calculate the initial count for 1 kHz based on the clock frequency when you write this.
Challenge and get performance evaluation