An interrupt is a condition that halts the microprocessor temporarily to work on a different task and then returns to its previous task. An interrupt is an event or signal that requests the CPU’s attention. This halt allows peripheral devices to access the microprocessor. Whenever an interrupt occurs, the processor completes the current instruction and starts the implementation of an Interrupt Service Routine (ISR) or Interrupt Handler. ISR is a program that tells the processor what to do when the interrupt occurs. After the ISR execution, cont...