Describe the procedure known as byte stuffing, Computer Network Security

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Question:

(a) For the bit stream 010011, sketch the waveforms for each of the code indicated.

Assume the following: the signal level for the previous bit for NRZI was a 1 and was positive; the most recent preceding 1 bit (AMI) had
a negative voltage; and the most recent preceding 0 bit (pseudoternary) had a negative voltage. (Let 0 be positive for NRZ-L)

1403_Describe the procedure known as byte stuffing.png

(b) Describe fully how you can use a (11/7) Hamming code to:

(i) detect and;

(ii) correct by giving the correct transmitted character;

if an incorrect codeword representing character "K" is received:

1224_Describe the procedure known as byte stuffing1.png

(ASCII value of "K" is 75)

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