System Analysis - MCQs with answers

System Analysis - MCQs with answers

1. Which block of the discrete time systems requires memory in order to store the previous input?

a. Adder
b. Signal Multiplier
c. Unit Delay
d. Unit Advance

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2. Which type/s of discrete-time system do/does not exhibit the necessity of any feedback ?

a. Recursive Systems
b. Non-recursive Systems
c. Both a & b
d. None of the above

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3. Which among the following belongs to the category of non-recursive systems?

a. Causal FIR Systems
b. Non-causal FIR Systems
c. Causal IIR Systems
d. Non-causal IIR Systems

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4. Recursive Systems are basically characterized by the dependency of its output on _______

a. Present input
b. Past input
c. Previous outputs
d. All of the above

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5. What does the term y(-1) indicate especially in an equation that represents the behaviour of the causal system?

a. initial condition of the system
b. negative initial condition of the system
c. negative feedback condition of the system
d. response of the system to its initial input

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6. Which type of system response to its input represents the zero value of its initial condition?

a. Zero state response
b. Zero input response
c. Total response
d. Natural response

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7. Which is/are the essential condition/s to get satisfied for a recursive system to be linear?

a. Zero state response should be linear

b. Principle of Superposition should be applicable to zero input response

c. Total Response of the system should be addition of zero state & zero input responses

d. All of the above

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8. Which among the following operations is/are not involved /associated with the computation process of linear convolution?

a. Folding Operation
b. Shifting Operation
c. Multiplication Operation
d. Integration Operation

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9. A LTI system is said to be initially relaxed system only if ____

a. zero input produces zero output
b. zero input produces non-zero output
c. zero input produces an output equal to unity
d. none of the above

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10. What are the number of samples present in an impulse response called as?

a. string
b. array
c. length
d. element

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