# discrete time signal mcq questions

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Signals & Systems Questions and Answers – Discrete Time Signals « Prev. a. a > 1 b. These short objective type questions with answers are very important for Board exams as well as competitive exams. Define Discrete Time System? The system described by the input-output equation y(n)=nx(n)+bx3(n) is a: Explanation: Since the output of the system y(n) depends only on the present value of the input x(n) but not on the past or the future values of the input, the system is called as static or memory-less system. 10) The transforming relations performed by DTFT are. So, the function is called as unit ramp signal. By continuing, I agree that I am at least 13 years old and have read and agree to the. Explanation: Given equation is y(n)=x2(n) Explanation: If the signal x(n) was originally obtained by sampling a signal xa(t), then x(n)=xa(nT). 3. Questions Asked from Representation of Continuous Time Signal Fourier Series On those following papers in Marks 1 Accordingly, we can classify the shifting into two categories named as Time shifting and Amplitude shifting, these are subsequently discussed below. Periodic Discrete time signals b. Aperiodic Discrete time signals c. Aperiodic continuous signals d. The test carries questions on DSP Fundamentals, Sampling, Discrete Fourier Transform (DFT), Fast Fourier Transform (FFT), Comparative Analysis of various transforms (Z, Laplace & Fourier), Inverse Z … If x(n) is a discrete-time signal, then the value of x(n) at non integer value of ‘n’ is: Explanation: For a discrete time signal, the value of x(n) exists only at integral values of n. So, for a non- integer value of ‘n’ the value of x(n) does not exist. This set of MCQ questions on data transmission techniques includes the collections of the top 20 objective questions on different data ... Top 20 MCQ Questions on Handling Date and Time in PHP; Top 20 MCQ Questions on Handling Files in PHP; ... Discrete signal. Explanation: The given signal is defined only when n=k by the definition of delta function. Signals and Systems Objective Type Questions and Answers for competitive exams. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Identical’ system is: Explanation: An identical system is a system whose output is same as the input, that is it does not perform any operation on the input and transmits it. Signals & Systems Questions and Answers – Classification of Signals « Prev. Go To Download Page Close. To practice MCQs on all areas of Discrete Mathematics, here is complete set of 1000+ Multiple Choice Questions and Answers. signals systems mcq questions with answer Golden Education World Book Document ID 941a6cb1 Golden Education World Book ... constant coefficient difference equations 5 write the difference equation for discrete time system c impulse signals d pulse train answer a digital signals 4 as compared to the analog systems the digital So, the signal is called as decaying exponential signal. xo(t)=(1/2)*(x(t)-x(-t)). Part 2: List for questions and answers of Digital Signal Processing . A discrete time signal x (n) is a function of an independent variable that is an integer. =>x(n)=rn. The nonlinear difference equations are solved using. This test is Rated positive by 89% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by Electrical Engineering (EE) teachers. Explanation: When the value of ‘r’ lies between 0 and 1 then the value of x(n) goes on decreasing exponentially with increase in value of ‘n’. Flat stopband. This is the Multiple Choice Questions in Chapter 3: Data and Signals from the book Data Communications and Networking by Behrouz A. Forouzan.If you are looking for a reviewer in datacom topic in Communications Engineering this will definitely help. The solved questions answers in this Test: Discrete Time Systems quiz give you a good mix of easy questions and tough questions. 1) If a function f(t) u(t) is shifted to right side by t0,then the function can be expressed as. 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Explanation: If the input is delayed by k units then the output will be y(n,k)=x(n-k)-x(n-k-1) The section contains questions and answers on system and signal classification and its properties, elementary signals and signals operations, discrete time signals, useful signals, circuit applications, Question 2: Discrete Time Signal. =>x(-t)=xe(-t)-xo(-t) 0 a 1 c. a -1 d. … long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above. c) Phase diagram. GATE ECE Signals and Systems's Representation of Continuous Time Signal Fourier Series, Fourier Transform, Continuous Time Signal Laplace Transform, Discrete Time Signal Fourier Series Fourier Transform, Discrete Fourier Transform and Fast Fourier Transform, Discrete Time Signal Z Transform, Continuous Time Linear Invariant System, Discrete Time Linear Time Invariant Systems, … Electrical Engineering (EE) Q1.- Classify signals. This contains 10 Multiple Choice Questions for Electrical Engineering (EE) Test: Discrete Time Signals (mcq) to study with solutions a complete question bank. ANSWER: (c) L, M < N. 8) Discrete cosine transforms (DCTs) express a function or a signal in terms of . The discrete time function defined as u(n)=n for n≥0;=0 for n<0 is an: Explanation: When we plot the graph for the given function, we get a straight line passing through origin with a unit positive slope. =>y(n,k)=y(n-k). long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above. This Signals and Systems ECE Quiz is designed for all the students and enthusiastic learners. Time shifting of discrete time signal means. DSP - Operations on Signals Shifting - Shifting means movement of the signal, either in time domain (around Y-axis) or in amplitude domain (around X-axis). a) f(t – t0) u(t) b) f(t) u(t – t0) c) f(t – t0) u(t – t0) d) f(t +t0) u(t + t0) View Answer. Continuous-time, continuous amplitude (Analog Signals) Discrete time, continuous amplitude d) Power series method . Part 4: List for questions and answers of Digital Signal Processing . 2. Published March 20, 2020 | Updated April 23, 2020. Accordingly, we can classify the shifting i EE8591 Notes all 5 units notes are uploaded here. Discrete-time, discrete-amplitude. These short solved questions or quizzes are provided by Gkseries. Electrical Engineering (EE) So, x(n)*δ(n-k)= x(k)*δ(n-k). b) Cobweb model. Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement. Part 2: List for questions and answers of Digital Signal Processing . 21 A function of one more variables which conveys information on the nature … The nonlinear difference equations are solved using. a. If the output of the system of the system at any ‘n’ depends only the present or the past values of the inputs then the system is said to be: Explanation: A system is said to be causal if the output of the system is defined as the function shown below Signals … Questions & Answers on Signals and Systems Basics . Answer : The response of the system to a weighted sum of signals will be equal to the corresponding weighted sum of the response i.e. Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Fast Fourier Transform (FFT) 1) Discrete cosine transforms (DCTs) express a function or a signal in terms of . An example can be seen in Figure 1.9. Signals and Systems, Electronics Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, Electronics Engineering, Multiple Choice Questions, Objective type questions, Electronics Engineering short notes, rapid fire notes, best theory Q1. The linear convolution of a discrete-time signal of length L and a discrete-time signal of length M produces a discrete-time convolved result of length L + M c. The linear convolution of a discrete-time signal of length L and a discrete-time signal of length M produces a discrete-time convolved result of length 2L + M – 1 d. The signal given by the equation is known as: Explanation: We have used the magnitude-squared values of x(n), so that our definition applies to complex-valued as well as real-valued signals. a. Let y1(n)=x12(n) and y2(n)=x22(n) Signals & Systems Questions and Answers – The Impulse Function – 2 « Prev. Online Study Material, Lecturing Notes, Assignment, Reference, Wiki and important questions and answers (cosnθ+jsinnθ) Go To Download Page Close. The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Delay’ system is: Explanation: An delay system is a system whose output is same as the input, but after a delay. This mock test of Test: Discrete Time Signals for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. Ans1. Most nite length signals are used when dealing with discrete-time signals or a given sequence of avlues. This test is Rated positive by 90% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by … Digital Control Systems Multiple Choice Questions, Digital Control Systems Interview, Digital Control Systems Quiz Questions, Digital Control Systems MCQ. Digital signal processing interview questions. 1) Linearity 2) Modulation 3) Shifting 4) Convolution. By subtracting the above two equations, we get How many numbers of butterflies are required per output point in the FFT algorithm? So, time scaling is also called as down-sampling. Signals & Systems Electronics Engineering MCQ Questions Answers ECE. This web page will give you a deep understanding of Signals and Systems ECE MCQ Questions concepts. The function given by the equation x(n)=1, for n=0;=0, for n≠0 is a: Explanation: According to the definition of the impulse function, it is defined only at n=0 and is not defined elsewhere which is as per the signal given. 1, 2 and 3 are correct b. So, the block is called as delay block or delay element. Define Discrete Time System? Need mcq questions for cs6004 cyber forensics. Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement. output … a) Iterative method. Digital signal processing interview questions. Similarly, an in nite-length signal , f(t), is de ned as nonzero over all real numbers: 1 f(t) 1. Digital Signal Processing Quiz | MCQs | Interview Questions. Discrete Fourier Transform (DFT) - Electronic Engineering (MCQ) questions & answers. 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