QN=52 Periodic signals are power signals
a. True
b. False - ANSWER a
QN=53 Select a right statement:
a. Z{x*(n)} = X*(z*)
b. Z{x*(n)} = - X*(z*)
c. Z{x*(n)} = X*(z)
d. Z{x*(n)} = X(z*) - ANSWER a
QN=54 Computational complexity refers to
a. the number of arithmetic operations required to compute an output value for
the system.
b. the number of times a fetch from memory is performed.
c. the number of times a comparison between two numbers is performed per
output sample.
d. all of the others. - ANSWER c
QN=55 Digital signal processing
a. provides an alternative method for processing the analog signal.
b. is the Math.
, c. is the discussion of spectral analysis.
d. none of the others. - ANSWER a
QN=56 The power of transmiter is 0 dBm or _______ .
a. 0 W
b. 1 mW
c. 10 mW
d. 1 W - ANSWER b
QN=57 Another name for an ideal filter is
a. Bessel.
b. Brick wall.
c. Linear.
d. Digital. - ANSWER b
QN=58 The evaluation of the crosscorrelation formula involves ____
operations, namely: __________/.
a. two / multiplying, summing.
b. three / shifting, multiplying, summing.
c. four / folding, shifting, multiplying, summing. - ANSWER b
QN=59 A linear time-invariant system is BIBO stable if and only if the ROC of
the system function
a. includes the unit circle.
b. is inside the unit circle.
c. is outside the unit circle.
a. True
b. False - ANSWER a
QN=53 Select a right statement:
a. Z{x*(n)} = X*(z*)
b. Z{x*(n)} = - X*(z*)
c. Z{x*(n)} = X*(z)
d. Z{x*(n)} = X(z*) - ANSWER a
QN=54 Computational complexity refers to
a. the number of arithmetic operations required to compute an output value for
the system.
b. the number of times a fetch from memory is performed.
c. the number of times a comparison between two numbers is performed per
output sample.
d. all of the others. - ANSWER c
QN=55 Digital signal processing
a. provides an alternative method for processing the analog signal.
b. is the Math.
, c. is the discussion of spectral analysis.
d. none of the others. - ANSWER a
QN=56 The power of transmiter is 0 dBm or _______ .
a. 0 W
b. 1 mW
c. 10 mW
d. 1 W - ANSWER b
QN=57 Another name for an ideal filter is
a. Bessel.
b. Brick wall.
c. Linear.
d. Digital. - ANSWER b
QN=58 The evaluation of the crosscorrelation formula involves ____
operations, namely: __________/.
a. two / multiplying, summing.
b. three / shifting, multiplying, summing.
c. four / folding, shifting, multiplying, summing. - ANSWER b
QN=59 A linear time-invariant system is BIBO stable if and only if the ROC of
the system function
a. includes the unit circle.
b. is inside the unit circle.
c. is outside the unit circle.
