If output port A $=1101$ B and the $"$A$"$ key is pressed, port B will read $\_\_\_\_\_\_.[$Be careful to check the MSB first.$]$

keybdckt.gif

$1101$ B

$0100$ B

$1111$ B

$1110$ B

$0111$ B

$1000$ B

$1011$ B

$0000$ B

$0010$ B