# signals and systems viva questions

Analog and Digital Communication Viva Questions; Microwave Lab - Viva Questions; 8085 Microprocessor Lab - Viva Questions; Optical Communication Lab - Viva Questions 2018 (147) December (14) November (21) October (28) September (26) August (21) June (1) a) Non – invertible System Question5: What is DFT ? ie, H(z)=Y(z)/X(z), Where z = e jω, 7. R-mesa trading system. Here are a few basic signals: Unit Step Function. A message signal m(t) has a BW of 1KHz and exhibits a maximum rate of change of change of 2 Volts/sec the signal is sampled at a sampling frequency of 20 KHz and Quantized using a delta modulator the minimum step size to avoid slope overload is———- … Continue reading "Delta Modulation and Demodulation Viva Questions" Dear Readers, Welcome to Signals & Systems multiple choice questions and answers with explanation. ... A load cell is a transducer that is used to create an electrical signal whose magnitude is directly proportional to the force ... A torque sensor or torque transducer or torque meter is a device for measuring and recording the torque on a rotating system. This is often used to control the dynamic behavior of the system. A: Signal is a physical quantity that varies with respect to time , space or any other independent variable.Or It is a mathematical representation of the system Eg y(t) = t. and x(t)= sin t. 2. Control Systems Lab Viva Questions & Answers Electrical Lab Edit Question No. What is Non recursive system? 5. Your email address will not be published. (50+) communication systems viva questions (50+) cove… Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Control Systems Lab Viva Questions Control Systems Lab Viva Questions. Initial conditions are considered zero for forced response.It is denoted by y (f ) (n). vtu be 5th sem ece dsp lab viva questions with answers. component of the signal is satisfied. Bits are the binary digits like 0 and 1. Cascade form They are used to convert electrical signal into angular motion. View all posts by Lakshmi Prasanna Ponnala Author Lakshmi Prasanna Ponnala Posted on 21/05/2018 01/02/2019 Categories Digital Communications – Signal processing and linear systems, Schaun's outline of digital signal processing • All textbooks are available at the library • Handwritten notes will be available on demand 2 . 2nd PDF have 80 questions and answers with solutions. 1. Popular topic for study. If the system have infinite duration impulse response then the system is said to be FIR system. Define impulse response of a DT system. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. c) Discrete time systems Here’s list of Questions & Answers on Signals & Systems Subject covering 100+ topics: 1. iii.Distributive, 11.State the Commutative properties of convolution? State equations: q (n+1) = A q(n) + b x(n) and y(n) = c q(n) + D x(n) d) Causal system The DT system is represented either Block diagram representation or difference equation representation. FIR (Finite impulse Response) system. Read this article on fire alarm system questions and answers useful for your interview preparation to crack the job ... A component of the fire alarm system that receives signals from initiating devices and processes these signals to determine the fire alarm ... Instrumentation Lab Viva Questions. Amplifiers, motors, filters etc. (VLF,LF,HF,VHF,UHF,,EHF,MICROWAVE FREQUENCIES ETC. Define Discrete Time System? x(n) is the input and y(n) is the output. CDMA Processing Gain . Basics of Signals and Systems Gloria Menegaz AA 2011-2012 1 . View Answer, 4. 21.What is the difference between recursive and non recursive system Sep 9 • General, Placement • 129229 Views • 7 Comments on Interview & Viva questions and answers on Digital Electronics questions and answers on digital electronics Digital electronics is that branch of science which represents signals by dicrete band of analog level. GATE CSE Discrete Mathematics's Mathematical Logic, Probability, Set Theory and Algebra, Combinatorics, Linear Algebra, Graph Theory, Calculus Previous Years Questions subject wise, chapter wise and year wise with full detailed solutions provider ExamSIDE.Com The motors used in automatic control systems or in servomechanism are called servomotors. are examples for which type of system? 1.What is frequency response? ii. The systems for which the differential equations have similar form are known as analogous system. Direcct form II Define causal LTI DT system. Digital Computer. What is radio frequency range? Commutative property of Convolution is, x(n)*h(n) = h(n)*x(n), 12.State the Associative properties of convolution 6. iv.Summation, 29. A: Signal is a physical quantity that varies with respect to time , space or any other independent variable.Or It is a mathematical representation of the system Eg y (t) = t. and x (t)= sin t. 2. a) et coswt Ans: In order to convert Analog data to Digital signal, initially sampling is done on the analog data by using Sample & … Give the state equations for LTI DT systems. Viva Questions: 1.What is Servo motor? Study about frequency spectra. 12) Which type/s of discrete-time system do/does not exhibit the necessity of any feedback? This is output produced by the system only due to initial conditions. Aspirants who are willing to learn Signals and Systems ECE Questions and Answers in simple and easy steps must refer to this article. The LTI systems are represented with the help of block diagrams. These objective type Signals & Systems questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. Q.29. ii.Assosiative. 16. This Signals and Systems ECE Quiz is designed for all the students and enthusiastic learners. 17. Random signals are used to test dynamic response statistically for very small amplitudes and time duration. Give the transfer function using state variables. i.Direct form I The block diagrams are implemented with the help of signal multipliers, adders, delay elements, time advance elements and constant multipliers. Shaik Rizzu Hussain says: at . Be aware that many journal sources embed identifying information into the PDF. Let it be denoted as x(t) and it is defined as. In that case simply follow your regulation syllabus and pick the Important Questions provided by us. Signal is a physical quantity that varies with respect to time, space or any other independent variable. 27. Define Signal. Where, A=[-a1 –a2] b=[1] c=[(b1-a1) (b2-a2)] and D=[1] Important Viva Question For MATLAB Block Diagrams indicate how individual calculations are performed. 2. As per my experience good interviewers hardly plan to ask any particular questions during your Job interview and these model questions are asked in the online technical test and interview of many IT & Non IT Industries. Ans3. i need to prepare for interview on signals and system and dsp for desighnation optical analyst. b. IIR ( Infinite Impulse Response) system. What is meant by step response of the DT system? Ans3. 10.What are the properties of convolution? © 2011-2020 Sanfoundry. Question No. A: A set of components that are connected together to perform the particular task. If the present output is dependent upon the present and past value of input then the system is said to be recursive system. Home Decorating Style 2020 for Signals and Systems Questions and Answers Pdf, you can see Signals And Systems Questions And Answers Pdf and more pictures for … c) Static, non – linear, causal and time variant Digital signal processing interview questions. Time Domain Representation for LTI Systems, Signal Transmission Through Linear Systems, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Signals & Systems Questions and Answers – System Classification and Properties – 1, Next - Signals & Systems Questions and Answers – Signal Classification and Properties – 1, Signals & Systems Questions and Answers – System Classification and Properties – 1, Signals & Systems Questions and Answers – Signal Classification and Properties – 1, Biomedical Instrumentation Questions and Answers, Electronic Devices and Circuits Questions and Answers, C++ Programming Examples on Numerical Problems & Algorithms, Mechatronics Engineering Questions and Answers, Wireless & Mobile Communications Questions & Answers, Linear Integrated Circuits Questions and Answers, C Programming Examples on Numerical Problems & Algorithms, Electronics & Communication Engineering Questions and Answers, Electrical Engineering Questions and Answers, Instrumentation Engineering Questions and Answers, Digital Communication Questions and Answers, Instrumentation Transducers Questions and Answers, Digital Signal Processing Questions and Answers. Operating systems exist for two main purposes. Input is zero for natural response. How we can represent a discrete time signal? Triangular Signal. GATE ECE's Network Theory, Control Systems, Electronic Devices and Vlsi, Analog Circuits, Digital Circuits, Microprocessors, Signals and Systems, Communications, Electromagnetics, General Aptitude, Engineering Mathematics Previous Years Questions well organized subject wise, chapter wise and year wise with full solutions, provider ExamSIDE.Com What Are The Elementary Discrete Time Signals? Digital electronics lab viva questions pdf ... (for example, hardware systems are usually best implemented as Moore models) and the personal preferences of the designer or programmer. This web page will give you a deep understanding of Signals and Systems ECE MCQ Questions concepts. a) Distributed parameter systems 6) What is the best Example of Digital system? b) Unstable systems Binary Number System. Distinguish between PAM and PCM signals? If you continue browsing the site, you agree to the use of cookies on this website. Viva questions of some important theory topics: Click on any of the below topics to see the Viva question with answers: Anna University Regulation 2017 (ECE) 3rd SEM EC8352 SS – Signals and Systems question paper. What are the blocks used for block diagram representation? Sanfoundry Global Education & Learning Series – Signals & Systems. This is the output produced by the system only due to input. The impulse response is the output produced by DT system when unit impulse is applied at the input.The impulse response is denoted by h(n). Tags: get free engineering signals and systems ulaby pdf - details, best way to get download signals and system viva questions, signals and systems tarun kumar rawat scam or work? The impulse response h(n) is obtained by taking inverse Z transform from the transfer function H(z). Which one of the following systems is causal? This set of Signals & Systems Interview Questions and Answers focuses on “System Classification and Properties – 2”. The Distributive Property of convolution is, UNIT I CLASSIFICATION OF SIGNALS AND SYSTEMS 1. 1. Q14. The block diagram representation of a difference equation is called realization structure.These diagram indicate the manner in which the computations are performed. 1. What is natural response? 2. What is zero input Response? Tags: get free engineering signals and systems ulaby pdf - details, best way to get download signals and system viva questions, signals and systems tarun kumar rawat scam or work? Digital signal processing (DSP) lab basic viva question, Signal processing lab viva questions with answers, dsp lab viva questions with answers pdf digital signal processing, ... What is the importance of linear and circular convolution in signals and systems? 1. a) Distributed parameter systems b) Unstable systems c) Discrete time systems d) Continuous time systems … www.jntuworld.com Electronics &Communication Engineering Subject code:IT1201 Subject: Signals and Systems (For III semester IT ) UNIT I 2 Mark Questions and Answers 1.Define Signal. Parallel Form. What is the range of voice frequencies? 250+ Signals And Systems Interview Questions and Answers, Question1: Define continuous-time signal? Which among the following is not a linear system? That is , H(z)=Y(z)/X(z). 25. Signals & Systems; Control Systems; Electro Magnetic Theory and Transmission Lines; Analog Communications; Digital Communications; Basic Electronics; Computer Networks; Others; Contact us; Membership Account; Log In Various blocks are used for block diagram representation. Completed M.Tech in Digital Electronics and Communication Systems and currently working as a faculty. 2. Join our social networks below and stay updated with latest contests, videos, internships and jobs! The block diagrams are more effective way of system description. Signals and Systems Interview Questions ; Question 6. This set of Signals & Systems Interview Questions and Answers focuses on “System Classification and Properties – 2”. Question 2. Linear, stable and time-invariant. What are the important CPU registers in the 8085 microprocessor? In such cases determining the performance of the system is not possible. 23.What are the different types of structure realization. d) y(n)=x3 (n+1) The general form of constant coefficient difference equation is, Here n is the order of difference equation. 2. What is audio frequency range? What are the classification of the system based on unit sample response? 1.Define Signal. 1. a) y(t)=x(t)+x(t-3)+x(t2) Explain. It contains a lot of signals and hence due to that the number of bits also increases. So for all Electronics engineer we are providing some Viva questions in this blog which can help you at your lab externals, so that you enjoy your B.Tech life and at exam time just open this blog and read the viva answers. CDMA processing gain used to define the performance of … The complete response of the system is equal to the sum of natural response and forced response .Thus initial conditions as well as input both are considered for complete response. 1.State the two properties of unit impulse function. 3. Digital systems are the system that processes a discrete or digital signal. 6. This Signals and Systems ECE Quiz is designed for all the students and enthusiastic learners. 3. Published February 13, 2017. Signals & Systems Imp Qusts Pdf file - SS Important Questions Please find the attached pdf file of Signals & Systems Important Questions Bank - SS Imp Qusts State the significance of difference equations. 19. ii.Shifting 1st PDF have 30 questions and answers with solutions. Signal Multiplier c. Unit Delay d. Unit Advance. Which among the following systems are described by partial differential functions? The output of the system y(n) is obtained for the unit step input u(n) then it is said to be step response of the system. View Answer, 6. [1 0 ] [0], Your email address will not be published. State the significance of block diagram representation. How the discrete time system is represented? In most of the systems input signals are not known ahead of the time and it is also difficult to express the input signals mathematically by simple equations. CLICK HERE TO DOWNLOAD 30 MCQ PDF CLICK HERE TO DOWNLOAD 30 MCQ PDF ELECTRICAL100 IMPORTANT EXPECTED MCQ PDF WITH SOLUTION FOR VIZAG MT EXAM 2017 … All Rights Reserved. viva questions for ece students,ece interview questions with answers pdf,ece interview questions and answers free download,ece viva questions and answers for btech,technical interview ... sampling frequency should be atleast twice the maximum freq present in the signal ... response given by a digital system when impulse signal is applied to it. Aspirants who are willing to learn Signals and Systems ECE Questions and Answers in simple and easy steps must refer to this article. Here we are providing signals and systems important MCQ with solutions for upcoming exam. 1. Let it be denoted as x(t) Sinusoidal Signal. View Answer. Which among the following is a LTI system? 8085 Microprocessor Lab Viva Questions With Answers 1. Job opportunities for ECE Signal Processing Students. These Control Systems Lab VIVA Questions are very important for campus placement test and job interviews. Signals amp Systems Questions and Answers – System ... 300 TOP SIGNALS and SYSTEMS LAB VIVA Questions Answers pdf Introduction to Signals and Systems MCQs with answers Multiple Choice Questions and Answers on Signal and Systems Basics of Signals and Systems ELECTRONICS AND COMMUNICATION ENGINEERING IMPORTANT MCQ Copyright 2020 , Engineering Interview Questions.com. {x(n)*[h1(n)+ h2(n)]}= [x(n)*h1(n) + x(n)*h2(n)]. View Answer, 7. Band width of AM signal is twice the modulating signal frequency while that of FM system is twice the sum of frequency deviation and modulating signal frequency. 26. 5) What is meant by a bit? d) y(n)=x(2n2) The output of the system y(n) is obtained for the unit step input u(n) then it is said to be step response of the system. b) Invertible system ... Digital signals are most commonly used in communication systems. 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It is defined as u(t) = $\left\{\begin{matrix}1 & t \geqslant 0\\ 0 & t. 0 \end{matrix}\right.$ . Reply. Thread: Signal And System Viva Questions - Notes-Pdf Download. Define Transfer function of the DT system. Required fields are marked *. Be aware that many journal sources embed identifying information into the PDF. Question2: Define Signal? 0 Otherwise. a. Adder b. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. The input and output behaviour of the DT system can be characterized with the help of linear constant coefficient difference equations. 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A list of top frequently asked Control System interview questions and answers are given below.. 1) What is meant by System? c) Non – causal system a) Static, linear, causal and time variant 15) ... Top 25 Technical Support Interview Questions & Answers Top 50 Operating System Interview Questions & Answers Top 30 Data Analyst Interview Questions & Answers Top 50 Data Structures Interview Questions & Answers. A frequency responses the steady state response of a system when the input to the system is a sinusoidal signal. What is complete response? 28. ... Operating Systems VIVA Questions and Answers: 1.What is an operating system? Which one of the following is an example of a bounded signal? Below are the list of 11 Top MOST Control Systems(CS) VIVA Questions And Answers for Engineering students free pdf download. What is meant by Modulation? EXPERIMENT WISE VIVA QUESTIONS Amplitude Modulation: 1. An operating system is a … This is known as Nyquist rate. Control System Interview Questions. What is recursive system? In that case simply follow your regulation syllabus and pick the Important Questions provided by us. JNTUK Signals & Systems Unit Wise Important Questions for R07 R10 R13 regulations, JNTUA Signals & Systems Unit Wise Important Questions for R07 R09 R13 regulations & JNTUH Signals & Systems Unit Wise Important Questions for R07 R09 R13 regulations. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. I think this article consists of almost all the basic questions that are and can be asked in ones Exam Viva during practicals. 15. Control System Unit wise Viva Short Questions and Answers PDF Rajeev Reddy Nareddula. ANSWER: (c)Unit Delay. SIGNALS and SYSTEMS LAB VIVA Questions Answers :-1. 5. When the number of elements connected performs a specific function then the group of elements is said to constitute a system or interconnection of various components for a specific task is called system. If the system have finite duration impulse response then the system is said to be FIR system. a) dy(t)/dt+ty(t)=x(t) 3. Gloria Menegaz Didactic materia l • Textbook – Signal Processing and Linear Systems, B.P. 28.Name the test signals used in control system the commonly used test input signals in control system are impulse step ramp acceleration and sinusoidal signals. a. If the present output is dependent upon the present and past value of input and past value of output then the system is said to be non-recursive system. iii. Convolution is used to calculate a LTI system's response for given excitation. 24. View Answer, 8. 01: What is mathematical model ... Test signals helps in predicting the performance of the system as the input signals which we give are known hence we can see the output response of the system for a given input and can understand the behavior of the control system. In most of the systems input signals are not known ahead of the time and it is also difficult to express the input signals mathematically by simple equations. Unit step function is denoted by u(t). 22. 14. 11) Which block of the discrete time systems requires memory in order to store the previous input? What is meant by FIR system? Where, A=[-a1 –a2] b=[1] c=[(b1-a1) (b2-a2)] and D=[1] Define system. 3.What are the major classifications of the signal? When the number of elements connected performs a specific function then the group of elements is said to constitute a system or interconnection of various components for a specific task is called system. b) Dynamic, non – linear, causal and time invariant 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, periodic and non periodic signals, complex exponential, discrete time systems, impulse function and bibo stability. This Signals and Systems ECE Quiz is designed for all the students and enthusiastic learners. In most of the systems input signals are not known ahead of the time and it is also difficult to express the input signals mathematically by simple equations. Tags. The frequency response of the system is obtained from the Transfer function by replacing z = e jω Exam Questions Solutions ( PYQ ) for Signals And Systems - SS - BPUT 2016 3rd Semester by Dr. SANANDA KUMAR By Dr. SANANDA KUMAR 9.8K Views Type: PYQ Solution Rating: 5 Handwritten 3rd Semester - 2016 BPUT This is output produced by the system only due to initial conditions . Control Systems Lab Viva Questions & Answers Electrical Lab Edit Question No. are examples for which type of system? R-mesa trading system. 18. What Are The Advantages And Disadvantages Of Open Loop Control Systems? i.Commutative State Distributive properties of convolution ... use active low signals. What is meant by IIR system? He initialized Fourier series, Fourier transforms and their applications to problems of heat transfer and vibrations. (Or) It is a mathematical representation of the system Eg y(t) = t. and x(t)= sin t. 2. Aspirants who are willing to learn Signals and Systems ECE Questions and Answers in simple and easy steps must refer to this article. Define realization structure. What is meant by step response of the DT system? i.Folding There are four types of number system: Decimal Number System. Rectangular Signal. Amplifiers, motors, filters etc. For a LTI system to be causal if h(n)=0, for n<0. d) Dynamic, non – linear, causal and time variant 4. Signal And System Viva Questions - Notes-Pdf Download; Results 1 to 4 of 4 . A recursive system have the feed back and the non recursive system have no feed back.And also the need of memory requirement for the recursive system is less than non recursive system.