Question

Which code is written as part of the ISR?

(a) data receive code

(b) sequential code

(c) data transfer code

(d) concurrent code

The question was asked in semester exam.

Query is from Introduction of Interrupts in division Interrupts and Exceptions of Embedded Systems

Answer 1

Right answer is (c) data transfer code

The best I can explain: The data transfer codes are written as part of the interrupt service routine which is associated with the interrupt generation by the hardware.