digital signal processing multiple choice questions and answers
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Free download in PDF Digital Signal Processing Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
If M and N are the orders of numerator and denominator of rational system function respectively, then how many memory locations are required in direct form-II realization of that IIR filter?
[A]
M+N+1
[B]
M+N
[C]
Min [M,N]
[D]
Max [M,N]
Answer: Max [M,N]
(2)
The basic elements of a flow graph are branches and nodes.
[A]
True
[B]
False
Answer: True
(3)
Which of the following is true for the given signal flow graph?
[A]
Two pole system
[B]
Two zero system
[C]
Two pole and two zero system
[D]
None of the mentioned
Answer: Two pole and two zero system
(4)
What are the nodes that replace the adders in the signal flow graphs?
[A]
Source node
[B]
Sink node
[C]
Branch node
[D]
Summing node
Answer: Summing node
(5)
The output signal of a system is extracted at a sink node.
[A]
True
[B]
False
Answer: True
(6)
If we reverse the directions of all branch transmittances and interchange the input and output in the flow graph, then the resulting structure is called as ______________
[A]
Direct form-I
[B]
Transposed form
[C]
Direct form-II
[D]
None of the mentioned
Answer: Transposed form
(7)
What does the structure given below represents?
[A]
Direct form-I
[B]
Regular Direct form-II
[C]
Transposed direct form-II
[D]
None of the mentioned
Answer: Transposed direct form-II
(8)
The structure shown below is known as ____________
[A]
Parallel form structure
[B]
Cascade structure
[C]
Direct form
[D]
None of the mentioned
Answer: Parallel form structure
(9)
The state space or the internal description of the system still involves a relationship between the input and output signals, what are the additional set of variables it also involves?
[A]
System variables
[B]
Location variables
[C]
State variables
[D]
None of the mentioned
Answer: State variables
(10)
State variables provide information about all the internal signals in the system.