Practice Programs To Be Executed (4) - Interrupt Handling and Timer Interfacing (8085/8086 Microprocessors with 8253/8254 Timer)
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PROGRAMS TO BE EXECUTED

Practice - PROGRAMS TO BE EXECUTED

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the purpose of interrupts in a microprocessor?

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

Question 2 Easy

What does RST 7.5 do in the context of the 8085 microprocessor?

💡 Hint: Consider its role as a hardware signal.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main role of interrupts in a microprocessor system?

To execute all tasks sequentially
To manage real-time tasks efficiently
To reduce power consumption

💡 Hint: Think about how devices should notify the CPU of their status.

Question 2

True or False: Software interrupts can be triggered by hardware events.

True
False

💡 Hint: Consider the definitions of software and hardware interrupts.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an ISR for the 8254 timer that changes the state of an LED based on the timer's output.

💡 Hint: Think about what needs to occur when the timer reaches its terminal count.

Challenge 2 Hard

Calculate the correct count for generating a 1 Hz signal output from an 8254 timer given a 1 MHz input clock.

💡 Hint: Consider how the timer's function can be adapted for practical use.

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