Exercise: Exam Question Papers

Questions for: Exam Question Papers

Multiple member of antennas are arranged in arrays in order to enhance what property?
A:
Both directivity and bandwidth
B:
Only directivity
C:
Only bandwidth
D:
Neither directivity nor bandwidth
Answer: B
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The stage marked X in the architecture shown below of a two stage op-amp is :
A:
Direct coupled amplifier
B:
Buffer amplifier
C:
Level shifter
D:
Blocking oscillator
Answer: C
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Which of the following stages has no phase inversion of the signal?
A:
Two CE stages
B:
Three CE stages
C:
CE and CC stages
D:
CE stage and emitter follower
Answer: A
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A system is described by following equations of state variables analysis.
, C = [1 1]
The steady state error due to step input is:
A:
B:
C:
D:
Answer: C
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Consider a multiplexer with X and Y as data inputs and Z as control input. Z = 0 selects input X and Z = 1 selects input Y. What are the connections required to realize the 2-variable Boolean function f = T + R, without using any additional hardware?
A:
R to X, 1 to Y, T to Z
B:
T to X, R to Y, T to Z
C:
T to X, R to Y, 0 to Z
D:
R to X, 0 to Y, T to Z
Answer: A
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