# Codewords using CRC and 2-dimensional even parity check

Question 1:

Provide the codeword (in decimal) for the number 1776 using a CRC with a divisor of 27.

Question 2

A 2 dimensional even parity check is to be used on the 4X4 (16 bit) block of data show below :

caclulate the check and fill in the final row codeword below

1011000010101110

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#### Solution Preview

1. Since we are computing CRC with a divisor of 27 (11011 in Binary, 5-bit number), we will be generating 4-bit CRC.

To compute the CRC for the number 1776, we first express it in binary form and append 4 0s at the end of ...

#### Solution Summary

The solution briefly explains the process to computing the answer, following which students should be able to solve the similar problems easily.

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