EX.3: (3 points) Convert four last digits (suppose that each digit is the hexadecimal number) in your roll number to binary. Example: if your roll number is HE 162491, then four last digits in your roll number are 2491. So, in binary form you will have: 0010 0100 1001 0001 a. Encoding each block of 8 bits with Hamming Code (12, 8). [1.5 points] b. Using any one encoded block in [a] and modify to one bit error. Explain how to correct error bit? [1.5 points)