Information Theory And Coding MCQ Questions & Answers

Information Theory And Coding MCQ Questions & Answers | ECE

Learn Information Theory And Coding MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Information Theory And Coding MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students.

Quadrature multiplexing is

A) The same as FDM B) The same as TDM C) A combination of FDM and TDM D) Quite different from FDM and TDM

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Answer & Solution

Answer: Option D

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A communication channel with AWGN operating at a signal to noise ratio SNR >> 1 and bandwidth 6 has capacity C₁. If the SNR is doubled keeping B constant, the resulting capacity C₂ is given by

A) C₂ ≈ 2C₁ B) C₂ ≈ C₁ + B C) C₂ ≈ C₁ + 2B D) C₂ ≈ C₁ + 0.3B

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Answer & Solution

Answer: Option B

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To obtain the transfer function of a convolutional code, the splitting of all-zero state takes place into . . . . . . . .
1. Starting state
2. First return to all-zero state
3. In-between state

A) 1 and 2 B) 2 and 3 C) 1 and 3 D) None of the above

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Answer & Solution

Answer: Option A

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Which decoding method involves the evaluation by means of Fano Algorithm?

A) Maximum Likelihood Decoding B) Sequential Decoding C) Both A and B D) None of the above

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Answer & Solution

Answer: Option B

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Which among the following compression techniques is/are intended for still images?

A) JPEG B) H.263 C) MPEG D) All of the above

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Answer & Solution

Answer: Option A

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Lempel-Ziv algorithm is

A) Variable to fixed length algorithm B) Fixed to variable length algorithm C) Fixed to fixed length algorithm D) Variable to variable length algorithm

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Answer & Solution

Answer: Option A

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If the errors are corrected at . . . . . . . . end/s, it is known as 'Forward Error Correction' (FEC).

A) Transmitter B) Receiver C) Both A and B D) None of the above

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Answer & Solution

Answer: Option B

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d_free is defined as the Euclidean distance of coded signal in terms of . . . . . . . . possible distance between all allowed sequences.

A) Smallest B) Largest C) Average D) Constant

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Answer & Solution

Answer: Option A

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The event with minimum probability has least number of bits.

A) True B) False

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Answer & Solution

Answer: Option B

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For the generation of a cyclic code, the generator polynomial should be the factor of . . . . . . . .

A) xⁿ + 1 B) xⁿ - 1 C) $$\frac{{{x^n}}}{2}$$ D) $$\frac{{{x^{2n}}}}{3}$$

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Answer & Solution

Answer: Option A

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