Skip to content
Related Articles

Related Articles

Improve Article

GATE | GATE-CS-2009 | Question 48

  • Difficulty Level : Expert
  • Last Updated : 28 Jun, 2021

Let G(x) be the generator polynomial used for CRC checking. What is the condition that should be satisfied by G(x) to detect odd number of bits in error?

(A) G(x) contains more than two terms
(B) G(x) does not divide 1+x^k, for any k not exceeding the frame length
(C) 1+x is a factor of G(x)
(D) G(x) has an odd number of terms.

Answer: (C)

Explanation: Odd number of bit errors can be detected if G(x) contains (x+1) as a factor. See this for proof.

Quiz of this Question

Attention reader! Don’t stop learning now.  Practice GATE exam well before the actual exam with the subject-wise and overall quizzes available in GATE Test Series Course.

Learn all GATE CS concepts with Free Live Classes on our youtube channel.

My Personal Notes arrow_drop_up
Recommended Articles
Page :