$(10$ points$)$ The following is a string of ASCII characters whose bit patterns have been converted into

hexadecimal for compactness: B$4$ E$45$A B$163$ F$665$ F$5.$ Of the eight bits in each pair of digits, the leftmost

is a parity bit. The remaining bits are the ASCII code.

$($a$)$ Convert the string to binary code.

$($b$)$ Show the English letters and numbers $($based on the ASCII code$)$ that correspond to the binary

code. Note that you need to remove the parity bits.

$($c$)$ Determine the parity used: odd or even? $($show your work$)$