Signal Processing MCQ Questions & Answers | ECE

A. 0

B. 1

C. -1 ≤ f(∞) ≤ 1

D. ∞

A. 6 samples

B. 24 samples

C. 3 samples

D. 12 samples

A. $$\frac{\pi }{{40}}{\text{volts}}$$

B. $$\frac{\pi }{8}{\text{volts}}$$

C. $$\frac{\pi }{{10}}{\text{volts}}$$

D. $$\frac{\pi }{4}{\text{volts}}$$

A. $$h\left( t \right) = \frac{{\sin \left( {\frac{{\pi t}}{T}} \right)}}{{\left( {\frac{{\pi t}}{T}} \right)}}$$

B. $$h\left( t \right) = \frac{1}{2}\left( {\frac{{\sin \left( {\pi t} \right)}}{{\pi t}}} \right)$$

C. $$h\left( t \right) = \frac{{\sin \left( {\pi t} \right)}}{{\left( {\frac{{\pi t}}{T}} \right)}}$$

D. $$h\left( t \right) = \frac{{\cos \left( {\pi t} \right)}}{{\left( {\frac{{\pi t}}{T}} \right)}}$$

A. $$H\left( Z \right) = \sum\limits_{K = 0}^N {\frac{{{C_K}}}{{1 - {e^P}{K^T}{Z^{ - 1}}}}} $$

B. $$H\left( Z \right) = \sum\limits_{K = 1}^N {\frac{{{C_K}}}{{1 - {e^P}{K^T}{Z^{ - 1}}}}} $$

C. $$H\left( Z \right) = \sum\limits_{K = - N}^N {\frac{{{C_K}}}{{1 - {e^P}{K^T}{Z^{ - 1}}}}} $$

D. $$H\left( Z \right) = \sum\limits_{K = 0}^\infty {\frac{{{C_K}}}{{1 - {e^P}{K^T}{Z^{ - 1}}}}} $$

A. Origin

B. Infinity

C. A ring

D. Unit circle

A. 1 kHz

B. 2 kHz

C. 3 kHz

D. 4 kHz

A. $$\frac{{{t^2}}}{2}u\left( t \right)$$

B. $$\frac{{t\left( {t - 1} \right)}}{2}u\left( {t - 1} \right)$$

C. $$\frac{{{{\left( {t - 1} \right)}^2}}}{2}u\left( {t - 1} \right)$$

D. $$\frac{{{t^2} - 1}}{2}u\left( {t - 1} \right)$$

A. it oscillates

B. all its poles lie outside the unit circle

C. current output depends on the previous output

D. one or more denominator coefficients is non-zero

A. Poles and zeros

B. Only poles

C. Only zeros

D. Only constants