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Signals and Systems MCQs | Signals and Systems Short Questions and Answers

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Free download in PDF Signals and Systems Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
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41 An example of a discrete set of information/system is
[A] the trajectory of the Sun
[B] data on a CD
[C] universe time scale
[D] movement of water through a pipe
Answer: data on a CD
42 A system which is linear is said to obey the rules of
[A] scaling
[B] additivity
[C] both scaling and additivity
[D] homogeneity
Answer: both scaling and additivity

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43 A time invariant system is a system whose output
[A] increases with a delay in input
[B] decreases with a delay in input
[C] remains same with a delay in input
[D] vanishes with a delay in input
Answer: remains same with a delay in input
44 All real time systems concerned with the concept of causality are
[A] non causal
[B] causal
[C] neither causal nor non causal
[D] memoryless
Answer: causal
45 When we take up design of systems, ideally how do we define the stability of a system?
[A] A system is stable, if a bounded input gives a bounded output, for some values of the input
[B] A system is unstable, if a bounded input gives a bounded output, for all values of the input
[C] A system is stable, if a bounded input gives a bounded output, for all values of the input
[D] A system is unstable, if a bounded input gives a bounded output, for some values of the input
Answer: A system is stable, if a bounded input gives a bounded output, for all values of the input
46 All causal systems must have the component of
[A] memory
[B] time invariance
[C] stability
[D] linearity
Answer: memory
47 What is the area of a Unit Impulse function?
[A] Zero
[B] Half of Unity
[C] Depends on the function
[D] Unity
Answer: Unity

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