MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
The factors Computational complexity, memory requirements and finite word length effects are the ONLY factors influencing our choice of the realization of the system. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following are called as finite word length effects? |
| A. | Parameters of the system must be represented with finite precision |
| B. | Computations are truncated to fit in the limited precision constraints |
| C. | Whether the computations are performed in fixed point or floating point arithmetic |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
Finite word length effects refer to the quantization effects that are inherent in any digital implementation of the system, either in hardware or software. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Computational complexity refers to the number of ____________ |
| A. | Additions |
| B. | Arithmetic operations |
| C. | Multiplications |
| D. | None of the mentioned |
| Answer» C. Multiplications | |
| 5. |
We can view y(n)=- ( sum_{k=1}^N a_k y(n-k)+ sum_{k=0}^N b_k x(n-k) ) as the computational procedure (an algorithm) for determining the output sequence y(n) of the system from the input sequence x(n). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following is the rational system function of an LTI system characterized by the difference equation y(n)=- ( sum_{k=1}^N a_k y(n-k)+ sum_{k=0}^N b_k x(n-k) )? |
| A. | ( frac{ sum_{k=0}^N b_k x(n-k)}{1+ sum_{k=0}^N a_k y(n-k)} ) |
| B. | ( frac{1+ sum_{k=1}^N a_k y(n-k)}{ sum_{k=0}^N b_k x(n-k)} ) |
| C. | ( frac{ sum_{k=0}^N b_k x(n-k)}{1+ sum_{k=1}^N a_k y(n-k)} ) |
| D. | ( frac{1+ sum_{k=0}^N a_k y(n-k)}{ sum_{k=0}^N b_k x(n-k)} ) |
| Answer» D. ( frac{1+ sum_{k=0}^N a_k y(n-k)}{ sum_{k=0}^N b_k x(n-k)} ) | |
| 7. |
The general linear constant coefficient difference equation characterizing an LTI discrete time system is? |
| A. | y(n)=- ( sum_{k=1}^N a_k y(n-k)+ sum_{k=0}^N b_k x(n-k) ) |
| B. | y(n)=- ( sum_{k=0}^N a_k y(n-k)+ sum_{k=0}^N b_k x(n-k) ) |
| C. | y(n)=- ( sum_{k=1}^N a_k y(n)+ sum_{k=0}^N b_k x(n) ) |
| D. | None of the mentioned |
| Answer» B. y(n)=- ( sum_{k=0}^N a_k y(n-k)+ sum_{k=0}^N b_k x(n-k) ) | |