7. In the following actions in the INT macrostate, select the items that do not belong. - save PC; - save SP; - $k0 +--PC; - enable interrupts; - save processor registers; -ACK INT by asserting INTA; -Receive interrupt vector from device on the data bus;

- Retrieve PC address from the interrupt vector table;

- Retrieve SP value from the interrupt vector table;

- disable interrupts; - PC +--PC retrieved from the vector table; - SP +-- SP value retrieved from the vector table;

- disable interrupts;