Models for Information Channel (NTA-NET (Based on NTA-UGC) Computer Science (Paper-II)): Questions 1 - 4 of 26

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Question number: 1

» Models for Information Channel » Probability, Entropy and Shannon's Measure of Information

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Appeared in Year: 2015

MCQ▾

Question

Suppose that from given statistics, it is known that meningitis causes stiff neck 50 % of the time, that the proportion of persons having meningitis is 1/50000, and that the proportion of people having stiff neck is 1/20. Then the percentage of people who had meningitis and complain about stiff neck is: (December)

Choices

Choice (4) Response

a.

0.02%

b.

0.05%

c.

0.04%

d.

0.01%

Question number: 2

» Models for Information Channel » Bit-Error Rates

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Appeared in Year: 2010

MCQ▾

Question

The baud rate is (December Paper II)

Choices

Choice (4) Response

a.

not equal to the signalling rate

b.

equal to half of the bandwidth of an ideal channel

c.

equal to twice the bandwidth of an ideal channel

d.

always equal to the bit transfer rate

Question number: 3

» Models for Information Channel » Bit-Error Rates

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Appeared in Year: 2010

MCQ▾

Question

The threshold effect in demodulator is (December Paper II)

Choices

Choice (4) Response

a.

the rapid fall on output signal to noise ratio when the input signal to noise ratio fall below a particular value.

b.

the property exhibited by all A. M. suppressed carrier coherent demodulator.

c.

the property exhibited by correlation receiver.

d.

exhibited by all demodulator, when the input signal to noise ratio is low.

Question number: 4

» Models for Information Channel » Rate and Optimality of Information Transmission

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Appeared in Year: 2010

MCQ▾

Question

Frequency shift keying is used mostly in (December Paper II)

Choices

Choice (4) Response

a.

Telegraphy

b.

Telephone

c.

Radio transmission

d.

None of the above

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