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Using the $CRC$ method, the remainder obtained by dividing $x^9 + x^7 + x^3 + x^1$   by generator polynomial $x^3 + x + 1$ ? 

  1. $1$
  2. $x$
  3. $x^2$
  4. $1+x + x^2$
asked in Computer Networks by Boss (17.2k points)
edited by | 114 views
+1
It should be $1 + x + x^2$.
0
i am getting x
0
i am getting 1
0

@Shubhanshu

Please post the solution. 

 

0
I am getting x^2
0
it means all of the options are correct.

1 Answer

+3 votes
Best answer

Generator $ = x^3+x+1$  Data $ = x^9+x^7+x^3+x$   

$M(x)=x^3(x^9+x^7+x^3+x)=x^{12} +x^{10} +x^6+x^4$

 

                     

           


Hence $Option\space D$

answered by Active (2k points)
selected by
0

@Satbir corrected

Answer:

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