# Information Theory & Coding Techniques Test Questions - Set 6

1)   In RS code, the length is ____less than number of symbols in symbol set (q).

a. One
b. Two
c. Three
d. Infinite
 Answer  Explanation ANSWER: One Explanation: No explanation is available for this question!

2)   In Minimum Distance Separable (MDS) codes, the minimum distance is one more than the number of _________.

a. Information bits
b. Symbol bits
c. Parity check bits
d. None of the above
 Answer  Explanation ANSWER: Parity check bits Explanation: No explanation is available for this question!

3)   In Trellis diagram, what do/does the horizontal axis represent/s?

a. Continuous time
b. Discrete time
c. Sampled time
d. All of the above
 Answer  Explanation ANSWER: Discrete time Explanation: No explanation is available for this question!

4)   For the 4 states of an encoder on vertical axis of Trellis diagram, what do/does the solid line indicate/s?

a. '0' input
b. '1' input
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: '0' input Explanation: No explanation is available for this question!

5)   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
 Answer  Explanation ANSWER: Sequential Decoding Explanation: No explanation is available for this question!

6)   For a received sequence of 6 bits, which decoding mechanism deals with the selection of best correlated sequence especially by correlating the received sequence and all permissible sequences?

a. Soft Decision Decoding
b. Hard Decision Decoding
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: Soft Decision Decoding Explanation: No explanation is available for this question!

7)   To obtain the transfer function of a convolutional code, the splitting of all-zero state takes place into ___

A. starting state
C. in-between state

a. A & B
b. B & C
c. A & C
d. None of the above
 Answer  Explanation ANSWER: A & B Explanation: No explanation is available for this question!

8)   The distance between each symbol in given sequence and reference sequence is known as _______.

a. Euclidean Distance
b. Distance between sequences
c. Manmattan Distance
d. Hamming Distance
 Answer  Explanation ANSWER: Distance between sequences Explanation: No explanation is available for this question!

9)   For designing trellis code, the emphasis must be on maximizing __________

a. Euclidean distance between code vectors
b. Hamming distance of error correcting codes
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: Euclidean distance between code vectors Explanation: No explanation is available for this question!

10)   For designing a communication system, which among the following parameters should be maximum?

A. Transmission rate