# questions

A. 2 KHz.
B. 1 KHz.
C. 4 KHz.
D. 3 KHz.
A. periodic having a period T
B. not periodic
C. periodic having a period T/2
D. periodic having a period 2T
A. Distorted
B. LTI
C. Causal
D. Distortionless
A. Frequency response of a System
B. The impulse response of an LTI System
C. The phase response of a LTI system
D. The time response of a LTI system
A. Green
B. Red
C. Violet
D. Blue
A. another step function.
B. a unit impulse.
C. a sine function.
D. a unit ramp function.
A. imaginary.
B. complex.
C. real and non-negative.
D. real.
A. R1?R2 .
B. R1 R2 .
C. R1 U R2 .
D. R1 ^ R2 .
A. discrete-time, periodic
B. continuous-time, periodic
C. discrete-time, non-periodic
D. continuous-time, non-periodic
A. Uniform
B. Exponential
C. Gaussian
D. Poisson
A. n
B. n 1
C. 2n
D. n-1
A. linear if b > 0.
B. linear for any value of
C. non-linear.
D. linear if b < 0.
A. UHF
B. VHF
C. None of the above.
D. Both VHF & UHF
A. a rectangular pulse of duration 2T.
B. a rectangular pulse of duration T.
C. a triangular pulse of duration 2T.
D. a triangular pulse of duration T.
A. another sinusoid
B. Sinc pulse
C. Triangular pulse
D. Rectangular pulse
A. sinc function.
B. sinc squared function.
C. sine function.
D. sine squared function.
A. elements including sources.
B. active devices.
C. none of those.
D. passive devices.
A. decreasing
B. increasing
C. non-decreasing
D. non-increasing
A. Scaling.
B. Duality.
C. Frequency Shifting.
D. Time Scaling.
A. Red, Yellow, Blue
B. Red, Green, Blue.
C. None of the above.
D. Red, Cyan, Magenta