a$)$ Using $2\text{'}$s complement method, find the result of subtraction of numbers given in

base $10$ to show the result in binary. $(5)10-(12{)}_{10}=(?{)}_2$

b$)$ What is the range of decimal numbers in $2\text{'}$s complement $5$ bit representation?

c$)$ Represent $(456{)}_{10}$ as $(?)$