MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The Fourier Transform of a rectangular pulse is |
| A. | Another rectangular pulse |
| B. | Triangular pulse |
| C. | Sinc function |
| D. | Impulse |
| Answer» D. Impulse | |
| 2. |
Convolution is used to find: |
| A. | The impulse response of an LTI System |
| B. | Frequency response of a System |
| C. | The time response of a LTI system |
| D. | The phase response of a LTI system |
| Answer» D. The phase response of a LTI system | |
| 3. |
The probability cumulative distribution function must be monotone and |
| A. | Increasing |
| B. | Decreasing |
| C. | Non-increasing |
| D. | Non-decreasing |
| Answer» E. | |
| 4. |
CONVOLUTION_IS_USED_TO_FIND:?$ |
| A. | The impulse response of an LTI System |
| B. | Frequency response of a System |
| C. | The time response of a LTI system |
| D. | The phase response of a LTI system |
| Answer» D. The phase response of a LTI system | |
| 5. |
The_Fourier_Transform_of_a_rectangular_pulse_is$ |
| A. | Another rectangular pulse |
| B. | Triangular pulse |
| C. | Sinc function |
| D. | Impulse |
| Answer» D. Impulse | |
| 6. |
The probability cumulative distribution function must be monotone an? |
| A. | Increasing |
| B. | Decreasing |
| C. | Non-increasing |
| D. | Non-decreasing |
| Answer» E. | |
| 7. |
The region of convergence of a causal finite duration discrete-time signal is |
| A. | The entire z-plane except z = 0 |
| B. | The entire z-plane except z = ‚àû |
| C. | The entire z-plane |
| D. | A strip in z-plane enclosing jω–axis |
| Answer» B. The entire z-plane except z = ‚Äö√Ñ√∂‚àö‚Ć‚àö¬™ | |
| 8. |
If the Fourier series coefficients of a signal are periodic then the signal must be |
| A. | Continuous-time, periodic |
| B. | Discrete-time, periodic |
| C. | Continuous-time, non-periodic |
| D. | Discrete-time, non-periodic |
| Answer» C. Continuous-time, non-periodic | |
| 9. |
A continuous-time periodic signal x(t), having a period T, is convolved with itself. The resulting signal is |
| A. | Not periodic |
| B. | Periodic having a period T |
| C. | Periodic having a period 2T |
| D. | Periodic having a period T/2 |
| Answer» C. Periodic having a period 2T | |
| 10. |
When two honest coins are simultaneously tossed, the probability of two heads on any given trial is: |
| A. | 1 |
| B. | 3/4 |
| C. | 1/2 |
| D. | ¼ |
| Answer» E. | |
| 11. |
Zero-order hold used in practical reconstruction of continuous-time signals is mathematically represented as a weighted-sum of rectangular pulses shifted by: |
| A. | Any multiples of the sampling interval |
| B. | Integer multiples of the sampling interval |
| C. | One sampling interval |
| D. | 1 second intervals |
| Answer» C. One sampling interval | |
| 12. |
The system having input x (n) related to output y(n) as y (n) = log |x (n)| is: |
| A. | Nonlinear, causal, stable |
| B. | Linear, noncausal, stable |
| C. | Nonlinear, causal, not stable |
| D. | Linear, noncausal, not stable |
| Answer» B. Linear, noncausal, stable | |
| 13. |
The DFT of a signal x(n) of length N is X(k). When X(k) is given and x(n) is computed from it, the length of x(n) |
| A. | Is increased to infinity |
| B. | Remains N |
| C. | Becomes 2N – 1 |
| D. | Becomes N2 |
| Answer» B. Remains N | |