Convert hex $4567$ and hex $789$A to binary, and then add them in binary $($show all $3)$

Represent the following as $12-$bit binary numbers:

Shift binary $11111100$ to the left $2$

Shift binary $11111100$ to the right $2$

Shift binary $11111100$ to the left $4$

Shift binary $11111100$ to the right $4$