Pecall that the UART base address is OrF$0000000$ and the UART registers and buffers used in Project $3,$ in order, are the command register, status register and receive buffer if register Ss$0$ contained OrF$0000004,$ what address offset fium Ss$0$ would need to be used in order to access the command register?

$440$

A

$0,0$

A

$1$

None of the above