Computer Science 6. (Interrupt - 20) a. What we mean by ISR? explain and give example b. What is the purpose of the NVIC? explain c. How priority works on MSP432? And how many levels there are? Given...

6. (Interrupt - 20)

a. What we mean by ISR? explain and give example

b. What is the purpose of the NVIC? explain

c. How priority works on MSP432? And how many levels there are? Given that two processes with different priorities which will be executed first, and on what basis?

d. Let us say you want to configure an interrupt with exception number 40. Which one of the followings is correct way to set the enable register? NVIC->ISER[1] or NVIC->ISER[0] and why?