C) Queasier group or relationships. Digital Communication MCQs. This specific pool of questions covers different types of questions. Question 80 : What will be the linear convolution of the sequences x (n)= {1,2} and h (n)= {2,1} using DFT. In this digital circuits can be reproduced easily in large quantities at comparatively lower cost. Signal processors can be analog or digital, single- or multi-function or integrated with other components in a sound . Bandwith can be increase by using digital communication with increased number of bits per sample of signal. Even c. Both (a) and (b) d. Zero. June 30, 2021 by Dr. Steve Arar. An Introduction to Digital Signal Processing. 69. In this lecture, we had discussed:Advantages of Digital Signal ProcessingDisadvantages of Digital Signal ProcessingApplications of Digital Signal Processing#. In digital signal processing (DSP) filter with higher order only require software modification .whereas in analogue circuit we need additionally hardware implementation also. The product of two odd signals is: a. MCQs. Digital . Speed Limitation: In the case of digital filters. For a small system with perhaps three audio channels . If you wish to learn more about Digital Signal Processing and DSP MCQs, you can check notes, mock tests, and previous years' question papers. This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. Processor speed is limited. Digital signal processing MCQ Questions: Whether your freshers or experience these Digital signal processing MCQ questions are for you to brush up your oops skills before an interview. There are some advantages of digital signal processor (DSP) are given below, In DSP the digital system can be cascaded without any loading problems. The signal is also converted to analog from the digital sequence, in order to make it travel through the channel or medium. Signal: A signal is anything that carries some information. A higher bandwidth is required for data communication in comparison to analog transmission of an equivalent information. Introduction: The DSP is a microprocessor chip with optimized architecture to support processing of complex algorithms at high speed in less time. 9. In digital communication, the speech, video and other data may be merged and transmitted over a common channel using multiplexing. Disadvantages of digital filter: 1. Digital image processing benefits in terms of multiple formats (X-Ray, image), assist in improving images for human interpretation and data can be retrieved easily. General Knowledge & Aptitude. What is a Digital Signal Processing System? What are the advantages of digital communication Mcq? Categories. Advantages to using digital signals, including digital signal processing (DSP) and communication systems, include the following: Digital signals can convey information with less noise, distortion, and interference. What are the advantages of digital circuits? therefore more transmission bandwidth is required for digital communication. Digital communication has several advantages over the analog system, but it has some disadvantages too.Click to see full answer What are [] Cost effective b. . Digital image processing is a _____ type of processing? The analog signals are categorized into ________. Used to expand the values of dark pixels in an image while compressing the higher-level values. Bit errors are possible. It is an honor for Quizack that it has a unique and dynamic Digital Signal Processing question bank with answers. For the signal x ( t ) = 3cos50t + 10sin300t - cos100t , nyquist rate is________. DSP operates on digital signal. As compared to analog, the implementation of hardware in digital circuits is more flexible. a. 12. Digital Communications MCQ's - Digital Communication Signal Processing. The advantages of digital signal processing. An important benefit of DSP technology is its ability to process many more channels or audio streams for a given cost than analog systems. Ease of design: No specific math skill needed to visualize the behavior of small digital circuits. Any digital computer can be used for DSP. The various applications of Digital Signal Processing has increased the demand for its users and has created new job opportunities for them. temperature etc. Avionics Multiple Choice Questions on "Digital Signal Processing". ADC and DAC are used, so the speed of digital filter depends on the conversion time of ADC and the settling time of DAC. Channel. - These MCQs cover theoretical concepts, true-false(T/F) statements, fill-in-the-blanks and match the following style statements. i.e. What is DSP? PDF Download. To begin with, DSPs offer greater flexibility in terms of calibration and modification. 1). Join Our Telegram Channel For pdf. Physical size of analog systems is quite large while digital processors are more compact and light in weight. You can browse though this bank of job requirements available on the wisdomjobs page and read the Digital Signal Processing job interview questions and answers , that will land you with a specialized job . Digital communication is the communication that is transferred through signals from digital devices. Advantages of digital communication are. Digital Signal Disadvantage: Digital signals use high bandwidth. Explanation: Digital communication is less sensitive to environmental changes like temperature etc. a) Sampling b) Normalizing c) Sampling rate conversion d) None of the mentioned; There is no requirement to process the various signals at different rates commensurate with the corresponding bandwidths of the signals. Due to the integration of millions of digital logic elements on a single miniature chip forming for very low cost integrated circuits. Two. The noise in analog signals is high as compared to digital signal. Which circuit is called as regenerative repeaters? It is due to the thresholding and high bandwidth of the digital signals. d. The importance of digital communication are. Nov/Dec 2009 BTL 11.More accuracy 2.It is easier to perform mathematical operation 3. 3) The number of zeros is the product of poles of individual components. Digital Signal Processing MCQ; Digital Signal Processing MCQ Start Practice. One. Develop quantization and round-off errors. Show More. a) Analog circuits . 4) Over all transfer function may be determined. Start Quiz. Advantages of (Dsp) :-The main advantage of Digital Signal Processing is its simplicity that is compared to analog Signal Processing Digital Signal Processing can perform complicated signal analysis with relative easiness in without the use of complex circuits. It can build better employee engagement. Digital Signal Processing Multiple Choice Questions Highlights - 1000+ Multiple Choice Questions & Answers (MCQs) in Digital Signal Processing with a detailed explanation of every question. Digital Modulator. 2) The number of poles is the product of poles of individual components. Impulse Response of an IIR filter is Finite duration Infinite duration Limited to the fundamental period Equal to system function Ans:- Infinite duration DSP stands for Digital Signal Processor or Processing. Following are examples of non linear circuits which use ASP concept. When the DSP has finished its work, the digital data can be turned back into an analog signal with improved quality. Hence, electronic noise affects analog signals more than digital signals. Types of Audio Signal Processors. Explanation: Digital communication is less sensitive to environmental changes like. a) True. Analog systems are less accurate because of component tolerance ex R, L, C and active components. These answers are updated recently and are 100% correct answers of all week, assessment, and final exam answers of Digital Signal Processing 1: Basic Concepts and Algorithms from Coursera Free Certification Course.. Use "Ctrl+F" To Find Any Questions Answer. c) Reliable. View mcq quize.pdf from IT 801D at Government College of Engineering And Textile Technology, Serampore. The signal to be transmitted is modulated here by a carrier. The digital circuits are less sensitive to tolerances of component values. 2. 250+ TOP MCQs On Digital Signal Processing And Answers. d) All of the mentioned. Andreas Antoniou, "Digital Signal Processing", Tata McGraw Hill, 2006. Advantages of Digital Signal Processing When compared with the use of analogue processing technology, digital signal processing devices offer various advantages. 12) The z-transform of the impulse response y (n) = x (n) + 2x (n - 1) is: ADVANTAGES OF DSP OVER ASP 1. Digital Signal Processing MCQ. Digital Communications MCQ's - Digital Communication Signal Processing. b) False. To appreciate the advantages of DSP, let's first have a look at the conventional method of signal processing, i.e., analog signal processing. Multirate digital signal processing. a) Easy multiplexing. Answer: a. This chapter explains the digital signal processing (DSP) system general model and the various functions that it performs. Engineering Mcqs - TasDia Network Filters are generally used in analog communication at transmitting and receiving ends to remove the noise. 1). Digital circuits can be reproduced easily in mass quantities at comparatively low costs. It can send any type of information digitally. But lacks in terms of consuming more time, technology dependency, and high cost. 2. Digital Signal Processing Important MCQ Set 2 (DSP) August 26, 2021 by admin. Digital communication is adaptive to other advanced branches of data processing such as digital signal processing, image processing and data compression, etc. Systems and processing is more complex. 4) As compared to the analog systems, the digital processing of signals allow 1) Programmable operations 2) Flexibility in the system design 3) Cheaper systems 4) More reliability a. It accepts an analog signal as an input and converts this analog signal to numbers. Role of the Anti-aliasing filter is to remove low frequency high frequency medium frequency All frequency Ans:- high frequency Q7. Quiz 01 * Required 1. Processing important matters has been accelerated by the presence of digital communication. Ans:- If all its poles lie in the left half of the S Plane Q6. They require detection, require the communications system to be synchronized. Programmability. 1, 2 and 3 are correct b. 1. DSP can make large numbers of analog components unnecessary, resulting in a simpler, more compact and less costly design. x 2 [ ( p t)] Gauge the pattern of MCQs on DSP by solving the ones that we have compiled below for your practice: DSP Multiple-Choice Questions. Hardware Software Logical All the above Hint Advantages of digital communication are * 1 point Easy multiplexing Easy 1 - Question. The advantages of discrete signal processing is/are: 25 473 Prime Ministers of India | List of Prime Minister of India (1947-2020) a. ASP (Analog signal processing) processes the signals which are not digitized. Advantages Of Digital Signal Over Analog Signal. D. Digital communication makes data transfer or communication faster 1. Digital Signals: Advantages and Disadvantages. Listed below are the few advantages of Digital Signal over Analog Signal: Higher security. b) Easy processing. Here, you will find Digital Signal Processing 1: Basic Concepts and AlgorithmsExam Answers in Bold Color which are given below.. Explanation: Digital communication is a very reliable communication. Other advantages of digital modulation include: High capacity for data transmission - the amount of data transmitted through digital modulation is more than through analog communication. 8) An analog signal has a bandwidth of 5KHz. Digital Signal x 1 ( p). Digital Demodulator Let's start with the individual meaning of the words defining Digital Signal Processing in its entirety. the advantages of digital communication over The channel or a medium, allows the analog signal to transmit from the transmitter end to the receiver end. Take signal x 1 t and put t = p there so that it will be x 1 p. Take the signal x 2 t and do the step 1 and make it x 2 p. Make the folding of the signal i.e. In short digital signal processing (DSP) is defined as the converting the continuously changing waveform (analog) into a series of discrete levels. Time sharing c. High flexibility Steps for convolution. Digital filters are highly flexible. Disadvantage of Digital Signals : Sampling may cause loss of information. It is easy for multiplexing, easy for signalling and processing etc. Advantages and Disadvantages of Digital Communication: Communication is one of the important aspects of human beings' survival. In our day-to-day lives, we interact with various people, however, due to a shortage of stipulated time, we find an alternative, and that alternative in the present era is digital communication. 3. Answer: a. Clarification: DSP is the use of a fast digital computer or digital circuitry to perform processing on digital signals. Here processing is applied on analog signal directly and does require any ADC or DAC unlike digital signal processing. The flip-flops of a 4-bit ripple counter have a propagation delay from clock to Q output of 10 ns, each. Processing is complex. Flexible signals - there is an opportunity to multiplex . b. More reliable than an analog system due to better immunity to noise. A/D and D/A demands mixed-signal hardware. What are the advantages of DSP? c. 1 and 4 are correct. Digital signals can be easily stored on magnetic disk without any loss of Solve DSP Multiple-Choice Questions to prepare better for GATE. Find the minimum length of the signal. Similarly the speed of operation of digital filter depends on the speed of processor. 1, 2 and 3 are correct. 7 Course Outcomes (COs) C312.1 Understand the various signals and systems. Evaluate your skill level in just 10 minutes with QUIZACK smart test system. It also performs computations using the numbers and converts the results of the computations into an analog signal. a) Less noise b) Less interference c) More flexible E.g., email, texting, video conferencing, social media, television, digital radio, etc. c) decreasing the number of bits used to represent each . Odd b. It is easier, cheaper, and faster as it can be done over large distances via the internet and other things. It's a physical quantity that . III. QUIZACK. DSP MCQ set 2:- Questions and answers are much important for any interviews of Digital Signal processing. 1 and 3 are correct. Economy, density and features. 1 and 2 are correct c. 1, 2 and 4 are correct d. All the four are correct ANSWER: (d) All the four are correct 1) It has same number of poles and zeros as that of individual components. . 1. Digital components are less sensitive to the environmental changes, noise and disturbances. Conclusion. Digital: In digital communication, we use discrete signals to represent data using binary numbers. The examples of ASP systems include classical radio, TV, telephone, radar etc. Illegal Interview . 70. exam. A DSP can filter noise from a signal, amplify frequencies and suppress others. Digital Signal Processing (DSP) techniques play a vital role in the reduction of noise and interference, in switching, decision making and control operations in the . Disadvantages Due to analog to digital conversion, the data rate becomes high. Disadvantages of (DSP) :-The DSP are made out of a lot of transistors and these transistors together consumer lot more power than . Abstract and Figures. Image plane itself and image processing methods that are applied directly to both one to one image pixels and neighbouring pixels. Digital Signal Processing multiple choice questions List. Incredible bandwidth efficiency - it can accommodate large amounts of data within a limited bandwidth. It mentions DSP advantages or benefits and DSP disadvantages or drawbacks. In the quest for increased performance, flexibility, configurability, communications and remote monitoring and control, the power electronics industry is increasingly moving from analogue to digital power converters, particularly when high-density power output is required. The quantizer, sampler, digital signal processor, and decoder are the main elements of the digital signal processing system. What is the process of converting a signal from a given rate to a different rate? If we are using an N-point DFT to compute the signal spectrum with a resolution less than or equal to 25Hz. x 2 p. Do the time shifting of the above signal x 2 [- p t] Then do the multiplication of both the signals. 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