Question 1

The capacity relationship is given by

Accepted Answer

A) c = w log2 ( 1+s/n ) 
B) c = 2w log2 ( 1+s/n ) 
C) c = w log2 ( 1-s/n ) 
D) c = w log10 ( 1+s/n ) 
A) c = w log2 ( 1+s/n ) 
B) c = 2w log2 ( 1+s/n ) 
C) c = w log2 ( 1-s/n ) 
D) c = w log10 ( 1+s/n )

Question 2

In digital image coding which image must be smaller in size?

Accepted Answer

A) input image 
B) output image 
C) input & output image 
D) none of the mentioned 
A) input image 
B) output image 
C) input & output image 
D) none of the mentioned

Question 3

When probability of error during transmission is 0.5, it indicates that

Accepted Answer

A) channel is very noisy 
B) no information is received 
C) channel is very noisy & no information is received 
D) none of the mentioned 
A) channel is very noisy 
B) no information is received 
C) channel is very noisy & no information is received 
D) none of the mentioned

Question 4

Entropy of a random variable is

Accepted Answer

A) 0 
B) 1 
C) infinite 
D) cannot be determined 
A) 0 
B) 1 
C) infinite 
D) cannot be determined

Question 5

Self information should be

Accepted Answer

A) positive 
B) negative 
C) positive & negative 
D) none of the mentioned 
A) positive 
B) negative 
C) positive & negative 
D) none of the mentioned

Question 6

The self information of random variable is

Accepted Answer

A) 0 
B) 1 
C) infinite 
D) cannot be determined 
A) 0 
B) 1 
C) infinite 
D) cannot be determined

Question 7

From the following given tree, what is the computed codeword for 'c'?

Accepted Answer

A) 111 
B) 101 
C) 110 
D) 011 
A) 111 
B) 101 
C) 110 
D) 011

Question 8

Which is the main system consideration?

Accepted Answer

A) probability of error 
B) system complexity 
C) random fading channel 
D) all of the mentioned 
A) probability of error 
B) system complexity 
C) random fading channel 
D) all of the mentioned

Question 9

An optimal code will always be present in a full tree.

Accepted Answer

A) True 
 B)False

Question 10

The minimum nyquist bandwidth needed for baseband transmission of Rs symbols per second is

Accepted Answer

A) rs 
B) 2rs 
C) rs/2 
D) rs2 
A) rs 
B) 2rs 
C) rs/2 
D) rs2

The capacity relationship is given by

In digital image coding which image must be smaller in size?

When probability of error during transmission is 0.5, it indicates that

Entropy of a random variable is

Self information should be

The self information of random variable is

From the following given tree, what is the computed codeword for 'c'?

Which is the main system consideration?

An optimal code will always be present in a full tree.

The minimum nyquist bandwidth needed for baseband transmission of Rs symbols per second is

Modulation and Demodulation Techniques

Information Theory and Communication Techniques

Waveform Logic, Pcm Encoding, Vocoder Analysis, and Antenna Radiations

Microwave Communication and Modulation

M-Ary Signalling and Pulse Shaping Techniques

Signal Filtering and Equalization Techniques

Channel Coding and Error Correction Techniques

Algorithms and Techniques for Communication System Security and Error Correction

Modulation Schemes and Access Techniques for Spread Spectrum Systems

Digital and Analog Telecommunications Standards

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Exam 7: Information Theory and Coding Techniques

The capacity relationship is given by

In digital image coding which image must be smaller in size?

When probability of error during transmission is 0.5, it indicates that

Entropy of a random variable is

Self information should be

The self information of random variable is

From the following given tree, what is the computed codeword for 'c'?

Which is the main system consideration?

An optimal code will always be present in a full tree.

The minimum nyquist bandwidth needed for baseband transmission of Rs symbols per second is

Modulation and Demodulation Techniques

Information Theory and Communication Techniques

Waveform Logic, Pcm Encoding, Vocoder Analysis, and Antenna Radiations

Microwave Communication and Modulation

M-Ary Signalling and Pulse Shaping Techniques

Signal Filtering and Equalization Techniques

Channel Coding and Error Correction Techniques

Algorithms and Techniques for Communication System Security and Error Correction

Modulation Schemes and Access Techniques for Spread Spectrum Systems

Digital and Analog Telecommunications Standards

Filters