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The feedback shift register circuit is called as

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The feedback shift register circuit is called as

(a) Multiplying circuit

(b) Dividing circuit

(c) Feedback circuit

(d) Shifting circuit

I got this question during an interview.

My query is from Cyclic Codes and Linear Block Codes topic in chapter Channel Coding of Digital Communications

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Right answer is (b) Dividing circuit

For explanation: The cyclic shift of a code-word polynomial and encoding involves division of one polynomial by another. Thus this feedback shift register is also called as dividing circuit.

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