Signal Conditioners multiple choice questions

 Signal Conditioners

1. What is the full form of IIR in terms of signal filtering?
a) Infinite impulse response
b) Infinite impulse reduction
c) Infinite impulse recombination
d) Instant impulse response
Answer: Infinite impulse response
2. What is the full form of FIR in terms of signal filtering?
a) Finite impulse response
b) Finite impulse reduction
c) Finite impulse recombination
d) Filthy impulse response
Answer: Finite impulse response
3. Which filter contains entirely passive elements?
a) Electrical filter
b) Mechanical filter
c) Digital filter
d) Optical filter
Answer: Electrical filter
4. A system is said to be non causal if its present output depends on the future inputs.
a) True
b) False
Answer: True
5. A system is said to be causal if its output depends on the future inputs.
a) True
b) False
Answer: False
6. Derivative of a unit step signal is zero everywhere.
a) True
b) False
Answer: False
7. Capacitor can be used for signal filtering.
a) True
b) False
Answer: True
8. Which signal is obtained after differentiating the unit step signal?
a) UnitImpulse signal
b) Unit Step Signal
c) Ramp Signal
d) Parabolic Signal
Answer: UnitImpulse signal
9. Which family of filters have maximum flat phase delay?
a) Chebyshev filter
b) Bessel filter
c) Elliptic filter
d) Butterworth filter
Answer: Bessel filter
10. Which frequency is attenuated in a Low-Pass filter?
a) High frequency
b) Low frequency
c) Mid-Range frequency
d) No frequency
Answer: High frequency
11. Which signal is obtained after integrating the ramp signal (for x>0 in X-Axis)?
a) Square signal
b) Unit Step Signal
c) Ramp Signal
d) Parabolic Signal
Answer: Parabolic Signal
12. Which signal is obtained after differentiating the ramp signal?
a) Square signal
b) Unit Step Signal
c) Ramp Signal
d) Parabolic Signal
Answer: Unit Step Signal
13. Which signal is obtained after integrating the unit step signal?
a) Square signal
b) Unit Step Signal
c) Ramp Signal
d) Parabolic Signal
Answer: Ramp Signal
14. Which family of filter has maximum flat frequency response?
a) Chebyshev filter
b) Bessel filter
c) Elliptic filter
d) Butterworth filter
Answer: Butterworth filter
15. Which is a signal generator module?
a) OptoNCDT ILR 1030
b) OptoNCDT1420
c) AD9850
d) EddyNCDT 3301
Answer: AD9850