9.5. Interrupt Handling Mechanisms

Try these first

1. 1.

   Define vectored interrupts.

   Hint

   Think about how they help in quickly identifying the right ISR.

2. 2.

   What is interrupt masking?

   Hint

   Consider how priorities affect interrupt handling.

3. 3.

   What is the main advantage of vectored interrupts?

   • They share ISRs
   • They have unique entries
   • They reduce system complexity

   Hint

   Remember how they help in quick decision making for processors.

4. 4.

   True or False: Non-vectored interrupts require checking the source of the interrupt.

   • True
   • False

   Hint

   Think about how they operate without unique pointers.

5. 5.

   Given a system that uses both vectored and non-vectored interrupts, discuss how you would enable efficient interrupt handling in a real-time application.

   Hint

   Think about the role priorities play in your system choice.

6. 6.

   Analyze a scenario where interrupt masking could hinder system performance. Propose a solution.

   Hint

   Consider the balance between managing critical applications and allowing necessary interrupts.