Question

Arrange these interrupt call locations in order of priority (from highest to lowest priority) of the interrupts with whom they are associated with: 

A. 003CH 
B. 0024H 
C. 0034H 
D. 002CH 
Choose the correct answer from the options given below:

• A. A, B, C, D
• B. D, C, B, A
• C. B, A, C, D
• D. B, A, C, D

Hint:

In microprocessor interrupt handling, lower memory locations represent higher priority interrupts.

Answer 1

The Correct Option is B

Step 1: Understand interrupt priorities. 
Interrupt priorities are assigned based on their hexadecimal locations. Lower the address, higher the priority.

Step 2: Evaluate the priorities based on the locations. 
- **D. 002CH:** Highest priority because it's the smallest hexadecimal value. 

- **C. 0034H:** Second-highest priority. 

- **B. 0024H:** Third priority. 

- **A. 003CH:** Lowest priority.

Step 3: Conclusion. 
The correct order is D, C, B, A, which corresponds to option (2).