Explore topic-wise MCQs in Digital Signal Processing.

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.
Discussion
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.
Discussion
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
Discussion
4.

Computational complexity refers to the number of ____________

A. Additions
B. Arithmetic operations
C. Multiplications
D. None of the mentioned
Answer» C. Multiplications
Discussion
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
Discussion
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)} )
Discussion
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) )
Discussion