Question

What does ISR stand for?

(a) interrupt standard routine

(b) interrupt service routine

(c) interrupt software routine

(d) interrupt synchronous routine

I got this question by my college director while I was bunking the class.

I'm obligated to ask this question of Introduction of Interrupts in portion Interrupts and Exceptions of Embedded Systems

Answer 1

The correct option is (b) interrupt service routine

Easy explanation: The data transfer codes are written as part of the interrupt service routine which is associated with the interrupt generation by the hardware.