MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the equation xq(n)=axq(n-1)+dq(n), if a < 1 then integrator is called? |
| A. | Leaky integrator |
| B. | Ideal integrator |
| C. | Ideal accumulator |
| D. | Both Ideal integrator & accumulator |
| Answer» B. Ideal integrator | |
| 2. |
In the equation xq(n)=axq(n-1)+dq(n), if a = 1 then integrator is called? |
| A. | Leaky integrator |
| B. | Ideal integrator |
| C. | Ideal accumulator |
| D. | Both Ideal integrator & accumulator |
| Answer» E. | |
| 3. |
In DM, the quantizer is a simple ________ bit and ______ level quantizer. |
| A. | 2-bit, one-level |
| B. | 1-bit, two-level |
| C. | 2-bit, two level |
| D. | 1-bit, one level |
| Answer» C. 2-bit, two level | |
| 4. |
What is the abbreviation of DM? |
| A. | Diameter Modulation |
| B. | Distance Modulation |
| C. | Delta Modulation |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
The simplest form of differential predictive quantization is called? |
| A. | AM |
| B. | BM |
| C. | DM |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
To reduce the dynamic range of the difference signal d(n) = x(n) ( hat{x}(n) ), thus a predictor of order p has the form? |
| A. | ( hat{x}(n)= sum_{k=1}^pa_k x(n+k) ) |
| B. | ( hat{x}(n)= sum_{k=1}^pa_k x(n-k) ) |
| C. | ( hat{x}(n)= sum_{k=0}^pa_k x(n+k) ) |
| D. | ( hat{x}(n)= sum_{k=0}^pa_k x(n-k) ) |
| Answer» C. ( hat{x}(n)= sum_{k=0}^pa_k x(n+k) ) | |
| 7. |
If the difference d(n) = x(n) ax(n-1), then what is the optimum choice for a = ? |
| A. | ({ _{xx} (1)}{ _x^2} ) |
| B. | ({ _{xx} (0)}{ _x^2} ) |
| C. | ({ _{xx} (0)}{ _d^2} ) |
| D. | ({ _{xx} (1)}{ _d^2} ) |
| Answer» B. ({ _{xx} (0)}{ _x^2} ) | |
| 8. |
What is the variance of the difference between two successive signal samples, d(n) = x(n) ax(n-1)? |
| A. | ( _d^2=2 _x^2 [1-a^2] ) |
| B. | ( _d^2= _x^2 [1+a^2] ) |
| C. | ( _d^2= _x^2 [1-a^2] ) |
| D. | ( _d^2=2 _x^2 [1+a^2] ) |
| Answer» D. ( _d^2=2 _x^2 [1+a^2] ) | |
| 9. |
What is the variance of the difference between two successive signal samples, d(n) = x(n) x(n-1)? |
| A. | ( _d^2=2 _x^2 [1+ _{xx} (1)] ) |
| B. | ( _d^2=2 _x^2 [1- _{xx} (1)] ) |
| C. | ( _d^2=4 _x^2 [1- _{xx} (1)] ) |
| D. | ( _d^2=3 _x^2 [1- _{xx} (1)] ) |
| Answer» C. ( _d^2=4 _x^2 [1- _{xx} (1)] ) | |