©Themoon EXAM SOLUTIONS
25/11/2024 13:32PM
DGT301 - Part 2 - Digital Signal Processing
Answers
QN=52 Periodic signals are power signals
a. True
b. False - Answers✓✓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*) - Answers✓✓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. - Answers✓✓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.
, ©Themoon EXAM SOLUTIONS
25/11/2024 13:32PM
d. none of the others. - Answers✓✓a
QN=56 The power of transmiter is 0 dBm or _______ .
a. 0 W
b. 1 mW
c. 10 mW
d. 1 W - Answers✓✓b
QN=57 Another name for an ideal filter is
a. Bessel.
b. Brick wall.
c. Linear.
d. Digital. - Answers✓✓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. - Answers✓✓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.
25/11/2024 13:32PM
DGT301 - Part 2 - Digital Signal Processing
Answers
QN=52 Periodic signals are power signals
a. True
b. False - Answers✓✓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*) - Answers✓✓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. - Answers✓✓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.
, ©Themoon EXAM SOLUTIONS
25/11/2024 13:32PM
d. none of the others. - Answers✓✓a
QN=56 The power of transmiter is 0 dBm or _______ .
a. 0 W
b. 1 mW
c. 10 mW
d. 1 W - Answers✓✓b
QN=57 Another name for an ideal filter is
a. Bessel.
b. Brick wall.
c. Linear.
d. Digital. - Answers✓✓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. - Answers✓✓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.
