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Electronics and Communication Engineering (ECE) Exam  >  Electronics and Communication Engineering (ECE) Tests  >  Digital Signal Processing  >  Test: Signal And System Processing - Electronics and Communication Engineering (ECE) MCQ

Test: Signal And System Processing - Electronics and Communication Engineering (ECE) MCQ


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10 Questions MCQ Test Digital Signal Processing - Test: Signal And System Processing

Test: Signal And System Processing for Electronics and Communication Engineering (ECE) 2024 is part of Digital Signal Processing preparation. The Test: Signal And System Processing questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Test: Signal And System Processing MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Signal And System Processing below.
Solutions of Test: Signal And System Processing questions in English are available as part of our Digital Signal Processing for Electronics and Communication Engineering (ECE) & Test: Signal And System Processing solutions in Hindi for Digital Signal Processing course. Download more important topics, notes, lectures and mock test series for Electronics and Communication Engineering (ECE) Exam by signing up for free. Attempt Test: Signal And System Processing | 10 questions in 10 minutes | Mock test for Electronics and Communication Engineering (ECE) preparation | Free important questions MCQ to study Digital Signal Processing for Electronics and Communication Engineering (ECE) Exam | Download free PDF with solutions
Test: Signal And System Processing - Question 1
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 Which of the following is common independent variable for speech signal, EEG and ECG?

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Explanation: Speech, EEG and ECG signals are the examples of information-bearing signals that evolve as functions of a single independent variable, namely, time.

Test: Signal And System Processing - Question 2
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Which of the following conditions made digital signal processing more advantageous over analog signal processing?

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Explanation: Digital programmable system allows flexibility in reconfiguring the DSP operations by just changing the program, as the digital signal is in the form of 1 and 0’s it is more accurate and it can be stored in magnetic tapes.

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Test: Signal And System Processing - Question 3
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Which property does y(t)=x(1-t) exhibit?

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Explanation: First the signal x(t) is shifted by 1 to get x(1+t) and it is reflected to get x(1-t). So, it exhibits both time shifting and reflecting properties.

Test: Signal And System Processing - Question 4
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 If x(n)=(0,1,2,3,3,0,0,0) then x(2n) is:
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Explanation: Substitute n=0,1,2… in x(2n) and obtain the values from the given x(n).

Test: Signal And System Processing - Question 5
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 If x(n)=(0,0,1,2,3,4,0,0) then x(n-2) is:
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Explanation: The signal x(n) is shifted right by 2.

Test: Signal And System Processing - Question 6
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 If x(n)=(0,0,1,1,1,1,1,0) then x(3n+1) is:
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Explanation: First shift the given signal left by 1 and then time scale the obtained signal by 3.

Test: Signal And System Processing - Question 7
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If a signal x(t) is processed through a system to obtain the signal (x(t)2), then the system is said to be:
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Explanation: Let the input signal be ‘t’. Then the output signal after passing through the system is y=t2 which is the equation of a parabola. So, the system is non-linear.

Test: Signal And System Processing - Question 8
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What are the important block(s) required to process an input analog signal to get an output analog signal?
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Explanation: The input analog signal is converted into digital using A/D converter and passed through DSP and then converted back to analog using D/A converter.

Test: Signal And System Processing - Question 9
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Which of the following block is not required in digital processing of an RADAR signal?
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Explanation: In the digital processing of the radar signal, the information extracted from the radar signal, such as the position of the aircraft and its speed, may simply be printed on a paper. So, there is no need of an D/A converter in this case.

Test: Signal And System Processing - Question 10
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Which of the following wave is known as “amplitude modulated wave” of x(t)?
Detailed Solution for Test: Signal And System Processing - Question 10

Explanation: The multiplicative operation is often encountered in analog communication, where an audio frequency signal is multiplied by a high frequency sinusoid known as carrier. The resulting signal is known as “amplitude modulated wave”.

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Important Questions for Signal And System Processing

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Signal And System Processing MCQs with Answers

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