1
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
The circuit shown represents GATE ECE 2014 Set 4 Analog Circuits - Operational Amplifier Question 64 English
A
a bandpass filter
B
a voltage controlled oscillator
C
an amplitude modulator
D
a monostable multivibrator
2
GATE ECE 2014 Set 4
Numerical
+2
-0
An M - level PSK modulation scheme is used to transmit independent binary digits over a band-pass channel with bandwidth 100 kHz. The bit rate is 200 kbps and the system characteristic is a raised-cosine spectrum with 100% excess bandwidth. The minimum value of M is ___________________________.
Your input ____
3
GATE ECE 2014 Set 4
Numerical
+2
-0
Consider the Z- channel given in the figure. The input is 0 or 1 with equal probability. GATE ECE 2014 Set 4 Communications - Fundamentals of Information Theory Question 9 English If the output is 0, the probability that the input is also 0 equals____________________________________
Your input ____
4
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
If calls arrive at a telephone exchange such that the time of arrival of any call is independent of the time of arrival of earlier or future calls, the probability distribution function of the total number of calls in a fixed time interval will be
A
Poisson
B
Gaussian
C
Exponential
D
Gamma
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