The Nyquist sampling rate for the signal g(t) = 10 cos(50 π t) cos2(150 π t) when t in seconds is,

1.  150 samples/second

2.  200 samples/second

3.  300 samples/second

4.  350 samples/second

View Answer  
4
Correct Answer :

350 samples/second


Explanation :
No Explanation available for this question

For the identify the dual form is

1.  

2.  

3.  

4.  

5.  8

6.  24

7.  12

8.  35

View Answer  
8
Correct Answer :

35


Explanation :
No Explanation available for this question

The entropy of a message source generating four messages with probabilities 0.5, 0.25, 0.125 and 0.125 is

1.   1.0 bit/message

2.  1.75 bit/message

3.  3.32 bit/message

4.  5.93 bit/message

View Answer  
4
Correct Answer :

1.75 bit/message


Explanation :
No Explanation available for this question

If the gain of the open-loop system is double the gain margin

1.   is not affected

2.  gets doubled

3.  becomes half

4.  become one-fourth

View Answer  
4
Correct Answer :

becomes half


Explanation :
No Explanation available for this question

The block diagram shown below represents  

1.  modulo-3 ripple counter

2.  modulo-5 ripple counter

3.  modulo-7 ripple counter

4.  modulo-7 synchronous counter

View Answer  
4
Correct Answer :

modulo-7 ripple counter


Explanation :
No Explanation available for this question

A closed-loop system is shown below. When will the system be very much under damped

1.   T1

2.  T1 = T2

3.  T1>T2

4.  None of the above

5.  28

6.  32

7.  40

8.  64

View Answer  
8
Correct Answer :

40


Explanation :
No Explanation available for this question

The circuit shown in the figure below is

1.  an adder

2.  a sub tractor

3.  parity generator

4.  comparator

View Answer  
4
Correct Answer :

parity generator


Explanation :
No Explanation available for this question

In a communication system, each message (1 or 0) is transmissed three times in order to reduce the probability of error. The detection is based on the majority rule at the receiver. If Pc is the probability of bit error, the probability of error for this communication system will be

1.  

2.  

3.  

4.  

5.  1 liter

6.  7 liters

7.  31 liters

8.  41 liters

View Answer  
8
Correct Answer :

31 liters


Explanation :
No Explanation available for this question

As the modulation index of an FM signal with sinusoidal modulation is increased from zero top twice, the power in the carrier component will

1.  increase continuously

2.  decreases continuously

3.  first increase, becomes zero and then decrease

4.  first decrease, become zero and then increase

View Answer  
4
Correct Answer :

decreases continuously


Explanation :
No Explanation available for this question

The characteristic equation of the T- FF is given

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python