a$.$ What is the largest positive number one can represent in an eight$-$bit $2\text{'}$s complement code? Write your result in binary and decimal. b$.$ What is the greatest magnitude negative number one can represent in an eight$-$bit $2\text{'}$s complement code? Write your result in binary and decimal. c$.$ What is the largest positive number one can represent in n$-$bit $2\text{'}$s complement code? $($make sure to use n$)$ d$.$ What is the greatest magnitude negative number one can represent in n$-$bit $2\text{'}$s complement code? $($make sure to use n$)$