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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. Page-3 section-3

Each section contains 100 MCQs on Information Theory and Coding .
21
A source produces three symbols A, B and C with probabilities P(A) = $$\frac{1}{2}$$, P(B) = $$\frac{1}{4}$$ and P(C) = $$\frac{1}{4}$$. The source entropy is
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Answer & Solution
Answer: Option D
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22
Consider a discrete memoryless source with source alphabet S = {s0, s1, s2} with probabilities P(s0) = $$\frac{1}{4}$$, P(s1) = $$\frac{1}{4}$$ and P(s2) = $$\frac{1}{2}$$
The entropy of the source is
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Answer & Solution
Answer: Option C
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23
According shanon-hartley law at no noise the channel capacity is going to be
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Answer & Solution
Answer: Option A
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24
Which of the following statements is correct?
S1: Channel capacity is the same for two binary symmetric channels with transition probabilities as 0.1 and 0.9.
S2: For a binary symmetric channel with transition probability 0.5, the channel capacity is 1.
S3: For AWGN channel with infinite bandwidth, channel capacity is also infinite.
S4: If Y = g(X), then H(Y) > H(X).
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Answer & Solution
Answer: Option B
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25
A source generates three symbols with probabilities 0.25, 0.25, 0.50 at a rate of 3000 symbols per second. Assuming independent generation of symbols, the most efficient source encoder would have average bit is
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Answer: Option B
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26
Source encoding in a data communication system is done in order to
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Answer: Option A
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27
A communication channel is having a bandwidth of 3000 Hz. The transmitted power is such that the received signal-to-noise ratio is 1023. The maximum data rate that can be transmitted t error-free through the channel is:
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Answer: Option B
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28
In a binary system, the symbols 0 and 1 occur with a probability of p0 and p1 respectively. The maximum value for entropy occurs when:
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Answer: Option D
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29
Consider a binary memoryless channel characterized by the transition probability diagram shown in the figure.
The channel is
Information Theory and Coding mcq question image
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Answer: Option C
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30
A random experiment has 64 equally likely outcomes. Find the information associated with each outcome.
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Answer: Option C
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