MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
What is the kind of relationship between and ? |
| A. | Many-to-one |
| B. | One-to-many |
| C. | One-to-one |
| D. | Many-to-many |
| Answer» D. Many-to-many | |
| 2. |
What is the expression for the digital frequency when r=1? |
| A. | ( frac{1}{T} tan u2061( frac{ T}{2}) ) |
| B. | ( frac{2}{T} tan u2061( frac{ T}{2}) ) |
| C. | ( frac{1}{T} tan^{-1}( frac{ T}{2}) ) |
| D. | ( frac{2}{T} tan^{-1} u2061( frac{ T}{2}) ) |
| Answer» E. | |
| 3. |
If s= +j and z=rej , then what is the condition on if r>1? |
| A. | > 0 |
| B. | < 0 |
| C. | > 1 |
| D. | < 1 |
| Answer» B. < 0 | |
| 4. |
If s= +j and z=rej and r=1, then which of the following inference is correct? |
| A. | LHS of the s-plane is mapped inside the circle, |z|=1 |
| B. | RHS of the s-plane is mapped outside the circle, |z|=1 |
| C. | Imaginary axis in the s-plane is mapped to the circle, |z|=1 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
If s= +j and z=rej , then what is the condition on if r<1? |
| A. | > 0 |
| B. | < 0 |
| C. | > 1 |
| D. | < 1 |
| Answer» C. > 1 | |
| 6. |
The equation s = ( frac{2}{T}[ frac{1-z^{-1}}{1+z^{-1}}] ) is a true frequency-to-frequency transformation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
What is the expression for system function in z-domain? |
| A. | ( frac{2}{T}[ frac{1+z^{-1}}{1-z^1}] ) |
| B. | ( frac{2}{T}[ frac{1+z^{-1}}{1-z^1}] ) |
| C. | ( frac{T}{2}[ frac{1+z^{-1}}{1-z^1}] ) |
| D. | ( frac{T}{2}[ frac{1-z^{-1}}{1+z^{-1}}] ) |
| Answer» D. ( frac{T}{2}[ frac{1-z^{-1}}{1+z^{-1}}] ) | |
| 8. |
What is the value of y(n)-y(n-1) in terms of input x(n)? |
| A. | ([ frac{x(n)+x(n-1)}{2}]T ) |
| B. | ([ frac{x(n)-x(n-1)}{2}]T ) |
| C. | ([ frac{x(n)-x(n+1)}{2}]T ) |
| D. | ([ frac{x(n)+x(n+1)}{2}]T ) |
| Answer» B. ([ frac{x(n)-x(n-1)}{2}]T ) | |
| 9. |
What is the value of ( int_{(n-1)T}^{nT} x(t)dt ) according to trapezoidal rule? |
| A. | ([ frac{x(nT)-x[(n-1)T]}{2}]T ) |
| B. | ([ frac{x(nT)+x[(n-1)T]}{2}]T ) |
| C. | ([ frac{x(nT)-x[(n+1)T]}{2}]T ) |
| D. | ([ frac{x(nT)+x[(n+1)T]}{2}]T ) |
| Answer» C. ([ frac{x(nT)-x[(n+1)T]}{2}]T ) | |
| 10. |
Which of the following substitution is done in Bilinear transformations? |
| A. | s = ( frac{2}{T}[ frac{1+z^{-1}}{1-z^1}] ) |
| B. | s = ( frac{2}{T}[ frac{1+z^{-1}}{1+}] ) |
| C. | s = ( frac{2}{T}[ frac{1-z^{-1}}{1+z^{-1}}] ) |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |