Information Theory And Coding — Part 2 MCQs with Explanations

0' input is the correct answer to “For the 4 states of an encoder on vertical axis of Trellis diagram, what do/does the solid line indicate/s”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Sum is the correct answer to “The minimum distance of linear block code (d min ) is equal to minimum number of rows or columns of H T , whose . . . . . . . . is equal to zero vector.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

14400 bits/sec is the correct answer to “For a Gaussian channel of 1 MHz bandwidth with the signal power to noise spectral density ratio of about 104 Hz, what would be the maximum information rate”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Encoding block of symbols is the correct answer to “Which is more efficient method”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Smallest is the correct answer to “In minimal polynomial, . . . . . . . . degree polynomial is present with coefficients in the basefield along with the zeros in extension field.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Finite is the correct answer to “Basically, Galois field consists of . . . . . . . . number of elements.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Kraft Inequality is the correct answer to “Which among the following is used to construct the binary code that satisfies the prefix condition”. This question is standard in competitive examination syllabi for Information Theory And Coding.

24.74 kbps is the correct answer to “If the channel is bandlimited to 6 kHz & signal to noise ratio is 16, what would be the capacity of channel”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Error control coding is the correct answer to “In digital communication system, if both power and bandwidth are limited, then which mechanism/choice is preferred”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Useless Channel is the correct answer to “Which type of channel does not represent any correlation between input and output symbols”. This question is standard in competitive examination syllabi for Information Theory And Coding.

True is the correct answer to “Coded system are inherently capable of better transmission efficiency than the uncoded system.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Discrete time is the correct answer to “In Trellis diagram, what do/does the horizontal axis represent/s”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Hamming distance is the correct answer to “In Viterbi's algorithm, which metric is adopted for decision making”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Both A and B is the correct answer to “At any given time, the output of an encoder depends on . . . . . . . .”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Expansion is the correct answer to “In coding gain & bandwidth of TCM, if the signal energy is kept constant, the . . . . . . . . of constellation reduces the noise margin and results into the degradation of performance.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Both A and B is the correct answer to “On which factor/s do/does the channel capacity depend/s in the communication system”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Infinite is the correct answer to “Entropy of a random variable is”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Increased is the correct answer to “With respect to power-bandwidth trade-off, for reducing the transmit power requirement, the bandwidth needs to be . . . . . . . .”. This question is standard in competitive examination syllabi for Information Theory And Coding.

More is the correct answer to “In digital communication system, smaller the code rate, . . . . . . . . are the redundant bits.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

rs / 4 Hz is the correct answer to “For a baseband system with transmission rate 'r s ' symbols/sec, what would be the required bandwidth”. This question is standard in competitive examination syllabi for Information Theory And Coding.

They generate low resolution picture is the correct answer to “What is significance of D-frames in video coding”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Stop-and-Wait ARQ is the correct answer to “Which type of ARQ system introduces the transmission delay between the transmitter and receiver before the reception of frame at receiver for the purpose of error detection”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Golay code is the correct answer to “Which amount the following is capable of correcting any combination of three or fewer errors random errors in a block of 23 bits”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Static Dictionary is the correct answer to “In dictionary techniques for data compaction, which approach of building dictionary is used for the prior knowledge of probability of the frequently occurring patterns”. This question is standard in competitive examination syllabi for Information Theory And Coding.

One is the correct answer to “In Repetition Code, how many information bit/s is/are present in addition to n-1 parity bits”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Sum is the correct answer to “According to linearity property, the. . . . . . . . of two code words in a cyclic code is also a valid code word.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

1100001 is the correct answer to “A linear Hamming code is used to map 4-bit messages to 7-bit codewords. The encoder mapping is linear. If the message 0001 is mapped to the codeword 0000111, and the message 0011 is mapped to the codeword 1100110, then the message 0010 is mapped to”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Bits is the correct answer to “The unit of average mutual information is”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Source coding is the correct answer to “The method of converting a word to stream of bits is called as”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Increases as logn is the correct answer to “A memoryless source emits n symbols each with a probability p. The entropy of the source as a function of n”. This question is standard in competitive examination syllabi for Information Theory And Coding.

2m - 1 is the correct answer to “Generally, a primitive polynomial of degree 'm' is an irreducible polynomial in such a way that it is a factor of x n + 1, where 'n' = . . . . . . . .”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Lempel Ziv is the correct answer to “Which coding technique/s exhibit/s the usability of fixed length codes”. This question is standard in competitive examination syllabi for Information Theory And Coding.

1.44 is the correct answer to “The capacity of a band-limited additive white Gaussian noise (AWGN) channel is given by $$C = W\,{\log _2}\left( {1 + \frac{P}{{{\sigma ^2}W}}} \right)$$ bits per second (bps), where W is the channel bandwidth, P is the average power received and σ 2 is the one-sided power spectral density of the AWGN. For a fixed $$\frac{P}{{{\sigma ^2}}} = 1000,$$ the channel capacity (in kbps) with infinite bandwidth (W → ∞) is approximately”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Maximum is the correct answer to “In channel coding theorem, channel capacity decides the . . . . . . . . permissible rate at which error free transmission is possible.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Nats is the correct answer to “When the base of the logarithm is e, the unit of measure of information is”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Spectral efficiency is the correct answer to “For fixed symbol rate, increase in bits/symbol ultimately improves rb/B bits/s/Hz & hence, regarded as . . . . . . . .”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Survivors is the correct answer to “In Viterbi's algorithm, the selected paths are regarded as . . . . . . . .”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Equal to is the correct answer to “In a linear code, the minimum Hamming distance between any two code words is . . . . . . . . minimum weight of any non-zero code word.”. This question is standard in competitive examination syllabi for Information Theory And Coding.

All of the above is the correct answer to “Which bitmap file format/s support/s the Run Length Encoding (RLE)”. This question is standard in competitive examination syllabi for Information Theory And Coding.

Positive is the correct answer to “Self information should be”. This question is standard in competitive examination syllabi for Information Theory And Coding.