1. Upon an interrupt, what has to happen implicitly in hardware before control is transferred to the interrupt handler? 2. Why not use JALR to return from the interrupt handler? 3. Put the following...

1. Upon an interrupt, what has to happen implicitly in hardware before control is transferred to the interrupt handler?

2. Why not use JALR to return from the interrupt handler?

3. Put the following steps in the correct order Actual work of the handler

Disable interrupt

Enable interrupt

Restore ko from stack

Restore state

Return from interrupt

Save ko on stack

Save state