CRC RAJINAMU MANJUR BABAt PDF FILE.
HELLO RIENDS IN THIS ARTICLE YOU ARE PROVIDED WITH INFORMATION ABOUT CRC.
A CYCLIC REDUNDANCY CHECK (CRC) IS AN ERROR _ DELECTING CODE COMMONLY USED IN DIGITAL NETWORKS AND STORAGE DEVICES TO DETECT ACCIDENTAL CHANGES TO RAW DTA. BLOCKS OF DATA ENTERING THES SYSTEMS GET A SHORT CHECK VALUE ATTACHED BASED ON THE EMAINDER OF A POLYNOMIAL DIVISION OF THEIR CONTENTS.
On RETRIEVAL< THE CALCULATION IS REPEATED AND, IN THE EVENT THE CHECK VALues DO NOT MATCH CORRECTIVE ACTION CAN BE TAKEN AGAINST DATA CPRRUPTION
CCs CAN BE USED FOR ERROR CORRECTION CRCs ARE SO CALED BECAUSE THE CHECK VALUE IS A EDUNDANCY AND THE ALGORITHM IS BASED CYCLIC CODES.
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CRCs ARE POPULAR BECAUSE THEY ARE SIMPLE TO IMPLEMENT IN BINARY HARDWARE, EASy TO ANALYZE MATHEMATICALLY ,, AND PARTICULARLY GOOD AT DETECTING COKMMON ERROR CAAUSES BY NOIse IN TRANSMISSION CHANNELS. BECAUSE THE CHECK VALUE HAS A FIXED LENGTH, THE FUNCTION THAT GENERATES IT IS OCCASIONALLY USED AS A HASH FUNCTION>
THE CRC WAS INVENTED BY W>WESLEY PETERSON IN 1961 The 32 -Bit CRC Function , USD IN ETHERNET AND MANY OOTHER STANDARDS IS THE WORK OF SEVERALS RESEAARCHERS AND WAS PUBLISGSHEDIN 1975.
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