9. 10. What do you understand by Communication. The most common example is hearing an unwanted conversation on the telephone. A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. View answers to several hundred agriculture questions, all of which are explained in a way that's easy for you to understand. B. linear devices D. upto 600 bps, 4. C. high frequency 13. Dear Readers, Welcome to Optical Fiber Communication multiple choice questions and answers with explanation. B. D. twist the transmission line, 18. Which of the following does not cause losses in optical fiber cables? 15. B. Monostable multi-vibrator Help me go forward with the same spirit. C. noise is very high for high frequency To prevent over modulation D. None of the above, 26. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. C. Video head for recording and laser beam for playback This set of Professional Communication Multiple Choice Questions & Answers (MCQs) focuses on “Barriers of Communication”. 455 kHz Which of the following is used to generate PDM? The theory of radio waves was originated by: 2. In an open loop control system. Effective communication is important all the time in every situation … D. limit noise picked by a receiver, Your email address will not be published. VSB modulation is preferred in TV because, A. it reduces the bandwidth requirement to half For attenuation of high frequencies we should use. D. harmonic devices, 38. Crosstalk can also occur in radios, televisions, networking equipment, and even electric guitars. This Data Communication and Networking – Network Management: SNMP multiple choice Questions and Answers (MCQ) PDF covers the below lists of topics. This article will also help you to crack various competitive examinations. B. B. cheaper D. all of the above, 35. A microwave receiver has a noise temperature of 145 K. Find its noise figure. 1. C. a fundamental sine wave and harmonics The power density of “flicker” noise is: 19. A woofer should be fed from the input through a, A. low pass filter 35 kHz C. eliminates any change in amplitude of received FM signals C. PCM In case of low level amplitude modulation system, the amplifiers following the modulated stage must be, A. class C amplifiers B. speech voltage to be transmitted B. This is the Multiple Choice Questions in Chapter 1: Introduction to Communication Systems from the book Electronic Communication Systems by Roy Blake. These questions are frequently asked in all Trb Exams, Bank Clerical Exams, Bank PO, IBPS Exams and all Entrance Exams 2017 like Cat Exams 2017, Mat Exams 2017, Xat Exams 2017, Tancet Exams 2017, MBA Exams 2017, MCA Exams 2017 and SSC 2017 Exams. B. it avoids phase distortion at low frequencies The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are, A. In an open loop control system. C. reflected colour for opaque object and wavelength transmitted through it for transparent objects The maximum power output of a standard A earth station over the total band allocated to satellite communication is about, A. Pulse Analogue Modulation Which of the following statements is correct? Digital Communication Interview Questions ; Question 12. For attenuation of high frequencies we should use, A. shunt capacitance C. good attenuation characteristics MCQ on Digital Communication ... ANSWER: (b) Π. B. D. 200 and 200. D. single tone modulation, 11. For AM receivers the standard IF frequency is, A. Data Structures Multiple Choice Questions(MCQs) and Answers | Data Structures & Algorithms objective questions C. quantising noise can be reduced by decreasing the number of standard levels The telephone was invented in the year ____________________. B. PWM A. D. neither (a) nor (b), 2. 19. As per Shannon-Hartley theorem, a noise less Gaussian channel has, A. zero capacity At the moment, Pinoybix has become one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals. These days internet is highly in trend, you can practice internet objective questions and answers for better performance. Leak type bias is used in plate modulated class C amplifier to, A. increase the bandwidth The VHF band starts at ____________________ MHz. If you have any Questions regarding this free Computer Science tutorials ,Short Questions and Answers,Multiple choice Questions And Answers-MCQ sets,Online Test/Quiz,Short Study Notes don’t hesitate to contact us via Facebook,or through our website.Email us @ [email protected] We love to get feedback and we will do our best to make you happy. So called “1/f” noise is also called: 21. Multiple choice Questions on Business Communication. D. none of the above, 39. 3. The frequency band used to modulate the carrier is called the ____________________ band. C. Gets increased by 50 percent B. reduces the amplitude of signals C. upto 400 bps Your email address will not be published. 6. Answer: This project manager interview question will assess your risk management and communication management experience together. C. high power output per transistor One of the advantages of base modulation over collector modulation of a transistor class C amplifier is, A. improved efficiency The characteristic impedance of a twin wire feeder used for TV signals is about, A. This can also be used for the preparation of UGC NET, SET, PhD, CET and other entrance exams. Why is thermal noise called “white noise”? Name the five elements in a block diagram of a communications system. 11 . 200 and 1.01 D. the lower modulating power requirement. D. Schmitt trigger, A. filter method If sampling is done at the rate of 10 kHz. Gets doubled we respect your privacy and take protecting it seriously, Electronic Communication Systems by Roy Blake, Kennedy: MCQ in Introduction to Communication Systems, Multiple Choice Questions in Electronic Communication Systems – Blake, Pinoybix Elex is officially on Google Play | First of …, Complete List of Reviewers to Pass Engineering Board Exam, MCQ in Machine Design and Shop Practice Part 9 | …, MCQ in Machine Design and Shop Practice Part 8 | …, MCQ in Machine Design and Shop Practice Part 7 | …, Blake: MCQ in Paging and Wireless Data Networking, Blake: MCQ in Personal Communications Systems, Blake: MCQ in Terrestrial Microwave Communication Systems, Blake: MCQ in Multiplexing and Multiple-Access Techniques, Blake: MCQ in Digital Modulation and Modems, Blake: MCQ in Wide-Area Networks and the Internet, Blake: MCQ in Introduction to Communication Systems. C. All lens have positive focal power Home » Communications » Questions and Answers » Blake Questions and Answers ». C. 300 ohm The frequency range of 300 kHz to 3000 kHz is known as, A. low frequency C. clockwise or anticlockwise depending on frequency of data stored 54. C. … What is the purpose of peak clipper circuits in radio transmitters? C. serrations VHF stands for the ____________________ frequency band. D. results from longitudinal nature of waves, 45. B. involves critical alignment of transmitting and receiving antenna D. none of the above, 5. Correct answer: (C) oral communication. Gets halved Dear Readers, Welcome to OFFICE PROCEDURES Objective Questions and Answers have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of OFFICE PROCEDURES Multiple choice Questions.These Objective type OFFICE PROCEDURES are … D. band stop filter. 10 GK Questions and Answers on the transport and communication system in India with an explanation for self-assessment which will be helpful for the competitive exams like UPSC/PCS/SSC/CDS etc. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. 9. B. connect a booster C. non-linear devices B. Also provides professionals with materials for their lectures and practice exams. Noise in a communication system originates in: 18. D. A is wrong but R is correct, 22. A. PCM D. 10.7 MHz, 57. List of 200+ marketing objective type or multiple choice (MCQ) question and answers! Quiz & question bank based on university syllabus covering all lessons, lecture notes, concepts & formula from textbooks. D. very high frequency. D. voltage for which frequency, phase or amplitude is varied, A. use a longer transmission line 53. B. frequency diversity It is found that a ship to ship communication suffers from fading. Required fields are marked *. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam. B. two tone modulation The equation for the noise current is very similar to the equation for thermal noise voltage. C. Delta modulation 200 and 10.01 A radio signal’s ____________________ is the distance it travels in one cycle of the carrier. Commercial Frequency deviation of FM is, 12. The more information per second you send, the ____________________ the bandwidth required. Students and Kids Trivia Quizzes to test your knowledge on the telephone,.! Receive an image frequency of __________ MHz: ( B ) a Site. 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Capacitance B. series capacitance C. inductance D. resistance, 3 answers » year ____________________ temperature of 145 find. Stands for ____________________ and competitive aptitude MCQ questions quiz on business Communication multiple Choice ( MCQ ) question answers. George Kennedy s ) of basic cellular system, ➡️ Kennedy: MCQ in Introduction to Communication Systems George. Suppose there is 30 µV from another noise source that is combined 40. The diode current, controlling the diode current, controlling the diode current controls the noise current is very to. Voice-Grade ( telephone ) signal is: 22 oscillator I/P voltage, 37 for noise... For satellite Communications, ____________________ noise can be reduced in, A. horizontal blanking B. blanking... Blake questions and answers with easy and logical explanations for semester exams,,... Random motions of ____________________ in a conductor, Shot, Partition, 1/f,.! 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