Correct Answer: TRAP has the highest priority there are 2 types of interrupts external and internal NMI has highest priority among all external interrupts, TRAP has highest priority among all internal interrupts
Correct Answer: A bus is a group of conducting lines that carriers data, address, & control signals A bus is two or many wire communication method A bus which communicate between two active devices, it may transfer address, data etc
Correct Answer: Program counter holds the address of either the first byte of the next instruction to be fetched for exectuion or the address of the next byte of a multi byte instruction, which has not beeb completely fetched in both the cases it gets increnented automatically one by one as the instruction bytes get fetched Also Program register keeps the address of the next instruction