1.  0

2.  1

3.  2

4.  none of these

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

1.  200 HZ   .

2.  800 HZ

3.  100 HZ

4.  400 HZ

View Answer  
4
Correct Answer :

400 HZ


Explanation :
No Explanation available for this question

Consider the following logic circuit consisting of 2-4 decoder for each of decoder f0 = 1 when i1 = 0, i2 = 0 f1 = 1 when i1 = 1, i2 = 0 and so on, which of the following gives value Of g(x, y, z)

1.  

2.  x. y. z

3.  

4.  1

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

A binary channel has bit rate Rb = 36000 bits/sec is available for PCM voice transmission. The sampling rate will be (assuming fm = 3.2 KHz)

1.  3.6 KHz

2.  7.2 KHz

3.  1.8 KHz

4.  5.6 KHz

View Answer  
4
Correct Answer :

7.2 KHz


Explanation :
No Explanation available for this question

The open collector output of two 2 input NAND gates are connected to a common pull up resistor. If the input to the gates are P, Q and R, S respectively, the output is equal to

1.  

2.  

3.  P. Q + R.S

4.  P. Q. R. S

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A system is described by the state equation X = AX + BU. The output is given by y = CX, whereTransfer function G(s) of the system is

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

An analog signal within ± 0.5 percent of the peak to peak full scale value is transmitted by PCM system, then how may binary digits must each sample contain

1.   7

2.   8

3.  6

4.  5

View Answer  
4
Correct Answer :

7


Explanation :
No Explanation available for this question

In standard TTL gates, the totem pole output stage is primarily used to

1.  increase the noise margin of the gate

2.  decrease the output switching delay

3.  facilitate a wired or logic connection

4.  increase the output impedance of the circuit

View Answer  
4
Correct Answer :

decrease the output switching delay


Explanation :
No Explanation available for this question

For the characteristic equation S2+4.8s+72 = 0, the damping ratio and natural frequency respectively are

1.   0.212  8.1 rad/s

2.   0.283  8.48 rad/s

3.  0.299 8.66 rad/sec

4.  None of the above

View Answer  
4
Correct Answer :

0.212  8.1 rad/s


Explanation :
No Explanation available for this question

A signal m1 (t) is band limited to 3.6 KHZ, and three other signal m2 (t), m3 (t) and m4 (t) are band limited to 1.2 KHz each and these signals are transmitted by means of TDM. Then, what will be the transmission bandwidth of the channel

1.  7.2 KHZ

2.  14.4 KHZ

3.  3.6 KHZ

4.  2.4 KHZ

View Answer  
4
Correct Answer :

7.2 KHZ


Explanation :
No Explanation available for this question
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