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Authors:
Linda Null ,julia Lobur
Chapter:
Data Representation In Computer Systems
Exercise:
Exercises
Question:42 | ISBN:9780763704445 | Edition: 3

Question

42. Using the CRC polynomial 1101, compute the CRC code word for the information word, 01001101. Check the division performed at the receiver.

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Answer

Consider the given data:

CRC polynomial =1101

CRC code word = 01001101

It can be re-written(add three 0's at end) as 01001101000

Division:

Remainder=100

As we know that,

Informatio word+remainder=codeword

So, 01001101000+100=01001101100

Now, check the division:

 

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