Determine the $x$ and $Y$ selection lines that are enabled when the input address is the binary equivalent of $1000$

Your answer$(5$ marks$)$:

A $12-$bit Hamming code word containing $8$ bits of data and $4$ parity bits is read from memory. What was the original $8-$bit data word that was written into memory for the $12-$bit word $101110110100.$

Hint: calculate C$1,$ C$2,$ C$4$ and C$8$ and if there is an error, correct it$.$

Your answer$(6$ marks$)$:

$2$