A $16-$bit register in a computer contains $0011100001010111.$ What does its contents represent if it contains

a$)$ a $4-$digit decimal number in the BCD code,

b$)$ a $4-$digit decimal number in excess$-3$ code,

c$)$ a $4-$digit decimal number in the $6311$ code,

d$)$ a $4-$digit hexadecimal number $($express your answer as a decimal number$),$

e$)$ a $16-$bit signed binary number $($express your answer as a decimal number$),$

f$)$ two characters in an odd parity ASCII code $($the parity bit is on the left$)?$