A short review if you need: A CRC-3 will have a four-bit polynomial. The largest would be aax + bx² + cx' + dx° . The highest degree is 3, leading to the name CRC-3. The values a b.c.d are coefficients of the terms of each polynomial, and are all single-bit values. A coefficient is either O or 1, thus the term is either included or excluded. We might describe a polynomial by these coefficients. So 1100 (decimal 12, hexadecimal OxC) would be r+ x? Use this polynomial r + x as the generator, with the message 11010111. You should get a 3-bit remainder.

A short review if you need: A CRC-3 will have a four-bit polynomial. The largest would be aax + bx² + cx' + dx° . The highest degree is 3, leading to the name CRC-3. The values a b.c.d are coefficients of the terms of each polynomial, and are all single-bit values. A coefficient is either O or 1, thus the term is either included or excluded. We might describe a polynomial by these coefficients. So 1100 (decimal 12, hexadecimal OxC) would be r+ x? Use this polynomial r + x as the generator, with the message 11010111. You should get a 3-bit remainder.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

A short review if you need:
A CRC-3 will have a four-bit polynomial. The largest would be aax
+
bæ² + cx'
+ dx". The highest degree is
3, leading to the name CRC-3. The values a,b.c.d are coefficients of the terms of each polynomial, and are all
single-bit values. A coefficient is either O or 1, thus the term is either included or excluded. We might describe a
polynomial by these coefficients. So 1100 (decimal 12, hexadecimal OxC) would be r3
+ x?
Use this polynomial r + x2 as the generator, with the message 11010111. You should get a 3-bit remainder.
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