D. none of the above. The collection of sinusoidal frequencies present in a modulated carrier is called its: 13. B. is caused by reflection D. twist the transmission line, 18. Multiple choice Questions on Business Communication. C. uncorrelated C. both AM and FM A. D. the lower modulating power requirement. B. involves critical alignment of transmitting and receiving antenna C. Video head for recording and laser beam for playback 2 bit/ symbol c. 4 bit/ symbol d. None of the above. D. limit noise picked by a receiver, Your email address will not be published. General Engineering Objective Questions and Answers for Competitive Exams. B. harmonic devices B. The power density of “flicker” noise is: 19. 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. C. amplitude of distant sidebands remains constant Useful for freshers, students preparing for semester exams, interview, placement, GATE, IES, PSU, UPSC & diploma. Management provides you all type of quantitative and competitive aptitude mcq questions with easy and logical explanations. Specially developed for the Electronic Engineering freshers … D. All lens have negative focal power, A. resultant wave Answer: Communication is the process by which data … Both A and R are correct and R is correct explanation of A AUDITING Multiple Choice Questions with Answers:-1) Various types of quality audits are: A) product B) process ... system audit, which examines the suitability and effectiveness of the system as a whole. B. prevent over modulation C. Sender. B. Monostable multi-vibrator In ____________________, multiple signal streams take turns using the channel. C. a cathode follower stage To prevent over modulation B. phase cancellation method Quiz & question bank based on university syllabus covering all lessons, lecture notes, concepts & formula from textbooks. 11 . Which of the following is/are the main part(s) of basic cellular system. What Is Crosstalk? C. voltage with constant frequency, phase or amplitude For attenuation of high frequencies we should use. D. non-linear devices, 21. C. quantising noise can be reduced by decreasing the number of standard levels C. high frequency (a) Output is independent of control input. 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. Fading of the received radio signals in a mobile communication environment occurs because of ..... A) Direct propagation 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. C. is due to transverse nature of waves If you have 100 mV of signal and 10 mV of noise, both across the same 100-ohm load, what is the signal-to-noise ratio in dB? 33. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. In case of low level amplitude modulation system, the amplifiers following the modulated stage must be, A. class C amplifiers The frequency range of 300 kHz to 3000 kHz is known as, A. low frequency D. 100 ohm, A. amplifiers low frequency signals 70 kHz Phase Analogue Modulation The most common example is hearing an unwanted conversation on the telephone. D. prevent tuned circuit damping, A. clockwise 1. Skip distance depends on time of day and angle of incidence. Digital Communication Interview Questions ; Question 12. C. All lens have positive focal power C. serrations Business Communication MCQ is important for exams like MAT, CAT, CA, CS, CMA, CPA, CFA, UPSC, Banking and other Management department exam. A. PCM D. neither (a) nor (b), 2. D. 10.7 MHz, 57. D. harmonic devices, 38. If output power of a radio receiver is doubled, its volume is increased by __________ dB. For telegraphy the most commonly used modulation system is, A. FSK C. is useful in discrimination between reception of adjacent beams In practical commercial FM system, channel bandwidth is, A. B. Impurities B. A. Receiver. C. A is correct but R is wrong D. 108 MHz, A. is always vertical in an isotropic medium 8. C. non-linear devices 10. For satellite communications, ____________________ noise can be a serious problem. Suppose there is 30 µV from one noise source that is combined with 40 µV from another noise source. Business Communication MCQ Questions and answers with easy and logical explanations. Commercial Frequency deviation of FM is, 12. B. is less than that of dipole B. series capacitance. D. Remains unchanged, 56. 19. 7. There are 16 first stage and 16 third stage matrices. 9. B. C. JK flip-flop The person who sent the first radio signal across the Atlantic ocean was: 3. Required fields are marked *. 106 kHz 5. A modem is classified as low speed if data rate handled is, A. upto 100 bps 100 kHz C. 200 and 100.1 Effective communication is important all the time in every situation … 30. C. it results in better reception A) A mobile Unit B) A cell Site C) A mobile Telephone Switching Office D) All of the above 2. C. is more than that of dipole Likewise, pink noise has higher power density at lower frequencies. inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Control Systems objective questions (MCQs) and answers for competitive & university exams. B. statistically independent Home » Communications » Questions and Answers » Blake Questions and Answers ». 12. A microwave receiver has a noise temperature of 145 K. Find its noise figure. This can also be used for the preparation of UGC NET, SET, PhD, CET and other entrance exams. Explain why you could use a diode as a noise source with a spectrum close to that of pure thermal noise. 25. Pinoybix.org is an engineering education website maintained and designed toward helping engineering students achieved their ultimate goal to become a full-pledged engineers very soon. For a low level AM system, the amplifiers modulated stage must be, A. linear devices D. amplitude of distant sidebands first increases, then decreases, 40. 12. In ____________________, you split the bandwidth of a channel into sub-channels to carry multiple signals. Answer : Crosstalk is a form of interference caused by signals in nearby conductors. C. Gets increased by 50 percent C. clockwise or anticlockwise depending on frequency of data stored Also provides professionals with materials for their lectures and practice exams. FM transmitting and receiving equipment as compared to AM equipment is, A. costly D. voltage for which frequency, phase or amplitude is varied, A. use a longer transmission line Under ordinary circumstances, impulse noise can be reduced in, A. FM only Objective Questions and Answers on Digital communication . (b) Output is dependent … C. To increase bandwidth Leak type bias is used in plate modulated class C amplifier to, A. increase the bandwidth A telephone channel requires a bandwidth of about, 23. (a) Output is independent of control input. 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 … 1. VSB modulation is preferred in TV because, A. it reduces the bandwidth requirement to half 32. B. better linearity A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The transmission of radio waves was first done by: 4. D. single tone modulation, 11. These objective type Optical Fiber Communication 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. The telephone was invented in the year ____________________. ANSWER: (a) 1 bit/ symbol. A radio signal’s ____________________ is the distance it travels in one cycle of the carrier. 11. Light, Visible and Infrared communication. What is the purpose of peak clipper circuits in radio transmitters? B. connect a booster Multiple Choice Questions and Answers on Digital Communication . Why and when do we need it? B. C. Reactance FET modulator D. None of the above, 26. The VHF band starts at ____________________ MHz. A. B. Driver. If sampling is done at the rate of 10 kHz. How would you control the amount of noise generated? The job of the carrier is to get the information through the ____________________. Answer: When current flows through a diode, it generates shot noise that can be represented as a current source, the output of which is a noise current. The bandwidth required is, A. The _______________ is the person who transmits the message. 6. In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then, A. amplitude of distant sidebands decreases D. To regulate oscillator I/P voltage, 37. If you are looking for a reviewer in Communications Engineering this will definitely help. 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. In an open loop control system. The modulation index of an FM is changed from 0 to 1. Subscribe to our mailing list and get interesting stuff and updates to your email inbox. A cordless telephone using separate frequencies for transmission in base and portable units is known as, A. duplex arrangement Calculate the total noise voltage. List of 200+ marketing objective type or multiple choice (MCQ) question and answers! C. either (a) or (b) 14. A. shunt capacitance. 1. Which of the following is an indirect way of generating FM? 14. B. series capacitance 15. D. suffers from the disadvantage of its incompatibly with TDM. B. Laser beam for recording and video head for playback 9. C. eliminates any change in amplitude of received FM signals The baseband bandwidth for a voice-grade (telephone) signal is: 14. Microwave communication. Answer: Light is pink when it contains more red than it does other colors, and red is at the low end of the visible spectrum. Stepped index operation B. Best OFFICE PROCEDURES Objective type Questions and Answers. 15. Multiple Choice Questions and Answers By Sasmita January 9, 2020 1) The modulation technique used for mobile communication systems during world war II was a. Data Structures Multiple Choice Questions(MCQs) and Answers | Data Structures & Algorithms objective questions B. frequency diversity 500 ohm A. 17. All the Multiple Choice Question and Answer (MCQs) have been compiled from the books of Data Communication and Networking by the well known author behrouz A forouzan. Correct answer: (C) oral communication. The main function of a balanced modulator is to, A. produce balanced modulation of a carrier wave I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. This set of Professional Communication Multiple Choice Questions & Answers (MCQs) focuses on “Barriers of Communication”. This is the Multiple Choice Questions in Chapter 1: Introduction to Communication Systems from the book Electronic Communication Systems by Roy Blake. Name the five elements in a block diagram of a communications system. D. A is wrong but R is correct, 22. C. class C amplifiers 9. C. broad band antenna 150 kHz D. may be equal, more or less than that of dipole. D. none of the above, 28. a) Noise b) Semantic problems c) Cultural barriers d) Over communication View Answer Thermal noise is caused by the random motions of ____________________ in a conductor. If you are looking for a reviewer in Communications Engineering this will definitely help. The output of the samples so obtained would be, A. correlated Find NF, both in dB and as a ratio. C. noise is very high for high frequency D. horizontal retrace, 59. 16. C. reflected colour for opaque object and wavelength transmitted through it for transparent objects C. a fundamental sine wave and harmonics B. quantising noise can be overcome by companding Choose the letter of the best answer in each questions. D. very high frequency. D. all of the above, 35. The colour of an object is decided by, A. the reflected colour C. the radiation is zero in all directions 42. D. 200 and 200. The disadvantage of FM over AM is that, A. high output power is needed D. Schmitt trigger, A. filter method These Marketing MCQs are equally useful for students for MBA, MMS, BBA, Bcom, Mcom, PGDM, MMM and MCA. MCQ on Digital Communication ... ANSWER: (b) Π. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. When two noise voltages, V1 and V2, are combined, the total voltage VT is: 22. 3. This article will also help you to crack various competitive examinations. Reason (R): FM and PM are two forms of angle modulation. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam. D. none of the above, 50. C. small capacity The characteristic impedance of a twin wire feeder used for TV signals is about, A. B. the radiation at right angles is maximum B. cheaper B. PWM Crosstalk can also occur in radios, televisions, networking equipment, and even electric guitars. Tutorial of solved problems for oral viva questions & lab exam. Answer: This project manager interview question will assess your risk management and communication management experience together. C. prevent excessive grid current Explore the latest questions and answers in Communication Technology, and find Communication Technology experts. Since the power in the shot noise is proportional to the diode current, controlling the diode current controls the noise power. 455 kHz The part, or parts, of a sinusoidal carrier that can be modulated are: c. its amplitude, frequency, and direction, d. its amplitude, frequency, and phase angle. C. Delta modulation B. produce 100% modulation Which of the following is used to generate PDM? A. 1. These days internet is highly in trend, you can practice internet objective questions and answers for better performance. This is the Multiple Choice Questions in Chapter 1: Introduction to Communication Systems from the book Electronic Communication Systems by Roy Blake. B. speech voltage to be transmitted B. reduces the amplitude of signals D. none of the above, 5. B. it avoids phase distortion at low frequencies 200 and 1.01 B. a fundamental sine wave and even harmonics 29. For a given carrier wave, maximum undistorted power is transmitted when value of modulation is, 24. When two or more signals share a common channel, it is called: c. the distance a wave travels in one period, d. how far the signal can travel without distortion, a. creation of harmonics of baseband frequencies, b. baseband frequencies “mixing” with each other, c. shift in phase relationships between baseband frequencies. Signal-to-Noise ratio is calculated as: a. signal voltage divided by noise voltage, c. first add the signal power to the noise power, then divide by noise power, a. how much noise is in a communications system, c. how much noise an amplifier adds to a signal. B. two tone modulation 18. The frequency band used to modulate the carrier is called the ____________________ band. Page 1. C. Micro bending Which of the following is a digital modulation technique? 7. C. upto 400 bps 3. D. 1280 kHz, 41. 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. In a TV receiver antenna the length of reflector rod, A. is the same as that of dipole C. almost equally costly To avoid blocking the number of intermediate paths required is, 60. Your email address will not be published. Which of these is the external sounds present in the channels of communication? Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. B. upto 250 bps Communication Skills multiple choice questions and answers on Communication Skills MCQ questions quiz on Communication Skills objective questions. B. vertical blanking For AM receivers the standard IF frequency is, A. Business Communication multiple choice questions and answers on Business Communication MCQ questions quiz on Business Communication objective questions. B. 6. As per Shannon-Hartley theorem, a noise less Gaussian channel has, A. zero capacity The professor comments that this type of communication is unacceptable in her classroom even if the answers … 43. Both A and R are correct but R is not correct explanation of A Multiple choice questions with answers Organizational Behaviour & Management (Hogeschool Rotterdam) Multiple choice questions with answers Organizational Behaviour & Management (Hogeschool Rotterdam ... Their most important communication is written, including reports and e-mail. 19. Mathematically, a spectrum is represented by a ____________________ series. C. change the antenna orientation of location 1 bit/ symbol b. D. resistance, 3. Free running multi-vibrator Full duplex operation-permits transmission in both directions at the same time. Disabling a receiver during a burst of atmospheric noise is called ____________________. Gets halved In free space, radio signals travel at approximately ____________________ meters per second. D. none of the above, A. Laser beam for both recording and playback D. directional antenna. B. anticlockwise Gets doubled When the length of antenna is a whole wavelength, A. the radiation at right angles is zero C. 10 kHz See also: MCQ in Electronic Communication Systems by George Kennedy, ➡️ Kennedy: MCQ in Introduction to Communication Systems. 3. D. Differential PCM, 31. B. 1000 ohm 36. MULTIPLE CHOICE QUESTIONS – WIRELESS COMMUNICATION 1. D. mostly anticlockwise but some times clockwise, 52. Question 11. What do you understand by Communication. Bear in your mind that, failures, emergencies or critical points about a project must be communicated face to face. Which of the following statements is correct? D. Attenuation in glass, 20. a. D. none of the above, 39. C. 300 ohm C. band pass filter VHF stands for the ____________________ frequency band. Practice for BBA or MBA exams using these MCQ. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Dear Readers, Welcome to Optical Fiber Communication multiple choice questions and answers with explanation. B. D. band stop filter. B. a high gain D.C. amplifier In an open loop control system. 111) BPSK system modulates at the rate of. B. high pass filter B. half duplex arrangement The bandwidth of an unmodulated carrier is ____________________. If you are looking for a reviewer in Communications Engineering this will definitely help. The maximum power output of a standard A earth station over the total band allocated to satellite communication is about, A. Pulse Analogue Modulation B. infinite capacity C. suppress carrier signal in order to create a single-sideband or double sideband The bandwidth required for a modulated carrier depends on: 7. Find the total NF for the pair. For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as, 58. An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 106 Hz. Likewise, thermal noise has equal power density over a wide range of frequencies. B. amplitude of distant sidebands increases Help me go forward with the same spirit. 13. D. large bandwidth is required. Which of the following does not cause losses in optical fiber cables? 53. Sarah answers questions asked by the professor in class in a snide, sarcastic manner. 200 and 10.01 B. Answer : Wireless communication is the transfer of information between two or more points that are not connected by any physical medium.Wireless communications can be via: Radio communication. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. D. orthogonal. Answer: White light is composed of equal amounts of light at all visible frequencies. Noise in a communication system originates in: 18. Why is thermal noise called “white noise”? B. linear devices C. … P Home » COMMUNICATION SYSTEMS Questions » 300+ TOP COMMUNICATION SYSTEMS Questions and Answers pdf, 1. 55. 6. A complete communication system must include: b. a transmitter, a receiver, and a channel, c. a transmitter, a receiver, and a spectrum analyzer, d. a multiplexer, a demultiplexer, and a channel. D. none of the above, A. large bandwidth is required B. Convex lens has negative focal power and concave lens have positive focal power This will also help you to learn about the objective type (multiple choice) question and answers on Marketing that is most likely to be asked in SBI, IBPS, BANK PO and other banking exams. Fourier analysis indicate that a square wave can be represented as, A. a fundamental sine wave and odd harmonics B. medium frequency The more information per second you send, the ____________________ the bandwidth required. If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 4. D. fundamental and subharmonic sine waves, 27. B. Varactor diode modulator Get help with your agriculture homework! C. 88 MHz C. high power output per transistor This Data Communication and Networking – Network Management: SNMP multiple choice Questions and Answers (MCQ) PDF covers the below lists of topics. Two cascaded amplifiers each have a noise figure of 5 and a gain of 10. 6. C. good attenuation characteristics A. Armstrong modulator This post covers marketing multiple choice questions with answers and explanation. C. Pulse Amplitude Modulation View answers to several hundred agriculture questions, all of which are explained in a way that's easy for you to understand. (b) Output is dependent … A. Convex lens has positive focal power and concave lens have negative focal power This can be avoided by using, A. space diversity Engineering 2021 , Engineering Interview Questions.com. A. 35 kHz D. the radiation is maximum in all directions, A. is useful in reducing depolarization effect on received wave For attenuation of high frequencies we should use, A. shunt capacitance 2. The equation for the noise current is very similar to the equation for thermal noise voltage. The UHF band starts at ____________________ MHz. Practice Multiple Choice Questions for Data Communication and Networking of computer awareness for SSC and banking exams. Answer: Source, Transmitter, Channel, Receiver, Destination, Answer: Thermal, Shot, Partition, 1/f, transit-time. At the moment, Pinoybix has become one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals. 10. A three stage telephone switching structure is to have 128 input and 128 output terminals. 8. C. PCM 5. Radio signals first were sent across the Atlantic in the year ____________________. C. inductance B. high modulating power is needed An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. D. results from longitudinal nature of waves, 45. D. Reactance bipolar transistor, 7. B. the wavelength transmitted through it AM only 54. Which one of the following is analog? D. Phase Amplitude Modulation, 47. The ‘B’ in Hartley’s Law stands for ____________________. The theory of radio waves was originated by: 2. It is found that a ship to ship communication suffers from fading. Mobile Unit B ) a mobile Unit B ) Π the frequency domain the... Mhz broadcast station may receive an image frequency of __________ MHz phase Analogue modulation C. PCM D. tone! For attenuation of high frequencies we should use, A. space diversity B. frequency diversity C. broad antenna... In an open loop control system if output power of a channel into to... Students preparing for semester exams, interview, placement, GATE, IES, PSU, UPSC & diploma list. A. correlated B. statistically independent C. uncorrelated D. orthogonal Trivia Quizzes to test your knowledge the... Using these MCQ, 20 random motions of ____________________ in a block diagram of a channel into sub-channels carry... Its noise figure of 5 and a gain of 10 kHz to avoid blocking the number of paths. And 16 third stage matrices satellite Communications, ____________________ noise can be a great help reviewing..., students and Kids Trivia Quizzes to test your knowledge on the subject, 7 you send, the band! High frequencies we should use, A. shunt capacitance B. series capacitance C. inductance advanced communication system objective questions and answers resistance,.. Partition, 1/f, transit-time five elements in a way that 's easy for you to various... Five elements in a block diagram of a twin wire feeder used for the power! Interference caused by signals in the frequency of the following is used to the. Crosstalk can also occur in radios, televisions, networking equipment, and even electric guitars broadcast station may an. Clipper circuits in radio transmitters spectrum is represented by a carrier having a frequency of Hz. Mba exams using these MCQ, Transmitter, channel, receiver, Destination, answer:,. Reason ( R ): FM and PM are two forms of angle modulation, Destination, answer: light! 10.01 C. 200 and 100.1 D. 200 and 10.01 C. 200 and 100.1 D. 200 and 100.1 D. and. A. Armstrong modulator B. Varactor diode modulator C. Reactance FET modulator D. Reactance bipolar transistor, 7 channel bandwidth,. Of modulation is, a from textbooks, UPSC & diploma commonly used modulation system is,.! About, 23 CET and other entrance exams all lessons, lecture notes, concepts & formula from.. Standard if frequency is, a spectrum is represented by a carrier having a frequency 106! Professor in class in a conductor radio signal ’ s ____________________ is the multiple Choice and! One of the above 2 university exams do we need it a plate-modulated class C amplifier the plate supply is! “ white noise ” of frequencies best answer in each questions be used for the noise power using these.. Increase the chance of passing the ECE Board Exam person who transmits the message syllabus covering all lessons lecture... Communication objective questions antenna D. directional antenna transistor, 7 space diversity B. frequency diversity C. broad band antenna directional!, 41 kHz D. 1280 kHz, 41 reason ( R ): in FM frequency. Amplifier has a noise temperature of 145 K. find its noise figure 5! D. Remains unchanged, 56 30 µV from one noise source with a spectrum close to that of thermal... Voice-Grade ( telephone ) signal is: 14 home » Communications » and! A frequency of 106 Hz in radios, televisions, networking equipment, and even guitars. By 50 percent D. Remains unchanged, 56 R ): in FM frequency. Answers on business Communication MCQ questions with easy and logical explanations are looking for a reviewer in Communications this! Interference caused by signals in the frequency domain is the multiple Choice ( MCQ ) question and for. Professionals, advanced communication system objective questions and answers, students and Kids Trivia Quizzes to test your knowledge on subject. Caused by the professor in class in a snide, sarcastic manner 145 find! This article will also help you to understand which are explained in a Communication system originates in 18! Tutorial of solved problems for oral viva questions & lab Exam signal streams take turns the! Independent of control input samples so obtained would be, A. shunt capacitance B. series C.!, and even electric guitars this will be a great help in the... Voice-Grade ( telephone ) signal is: 14 angle modulation full duplex operation-permits transmission in both directions at the of... White light is composed of equal amounts of light at all visible.! As a noise figure ) signal is: 22 multiple signal streams turns... In TV Systems, equalizing pulses are sent during, A. shunt capacitance B. capacitance... First were sent across the Atlantic ocean was: 3 channel bandwidth,. Equal power density at lower frequencies receivers the standard if frequency is, 24 ____________________ band form of caused... Placement, GATE, IES, PSU, UPSC & diploma C. 10 kHz D. 1280,! Fm and PM are two forms of angle modulation 0 to 1 Micro bending D. attenuation glass. Trusted Engineering review sites helping thousands advanced communication system objective questions and answers aspiring engineers achieve their goals knowledge on the.... A receiver during a burst of atmospheric noise is: 19 class C amplifier the plate supply voltage E.... Glass, 20 hearing an unwanted conversation on the subject common example is hearing an unwanted on... Meters per second class in a snide, sarcastic manner each and every to... Standard if frequency is, a spectrum is represented by a carrier having a frequency of __________.! ( s ) of basic cellular system placement, GATE, IES, PSU, UPSC & diploma gets... System originates in: 18, both in dB and an output signal-to-noise ratio of 100 and! Am receivers the standard if frequency is, 60 ➡️ Kennedy: MCQ in Electronic Systems... Mhz, 57 current, controlling the diode current controls the noise power a full-pledged very! Is varied by the modulating voltage D. … this is the multiple Choice ( MCQ ) question answers. To several hundred agriculture questions, all of the samples so obtained would be, A. space diversity B. diversity... Of an FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency __________. Knowledge on the telephone frequencies we should use, A. correlated B. statistically independent uncorrelated... Independent C. uncorrelated D. orthogonal full duplex operation-permits transmission in both directions the... Ultimate goal to become a full-pledged engineers very soon to reduce bandwidth C. to bandwidth... Answer: source, Transmitter, channel, receiver, Destination, answer thermal! Output power of a radio receiver which is tuned to a 91.6 MHz broadcast may... Input and 128 output terminals signal across the Atlantic in the channels of Communication engineers achieve their goals send the. Professionals with materials for their Board examinations A. horizontal blanking B. vertical blanking serrations. For the preparation of UGC NET, SET, PhD, CET and entrance. Question bank based on university syllabus covering all lessons, lecture notes, concepts & formula from.! Full duplex operation-permits transmission in both directions at the advanced communication system objective questions and answers of Fiber Communication multiple Choice ( MCQ question. Source, Transmitter, channel, receiver, Destination, answer: ( B ) Π formula textbooks! Communication suffers from fading None of the following is a Digital modulation technique you looking... It travels in one cycle of the carrier clipper circuits in radio transmitters kHz..., and even electric guitars competitive & university exams and competitive aptitude MCQ with... 2 bit/ symbol D. None of the carrier is to have 128 input and 128 output.! Is the complete list of multiple Choice questions from the book in preparation for lectures... Peak clipper circuits in radio transmitters None of the above, 39 exams, interview, placement,,! A snide, sarcastic manner communicated face to face microwave receiver has a signal-to-noise ratio of 100 dB an. The message you control the amount of noise generated its noise figure 5! When value of modulation is, a spectrum close to that of pure thermal voltage. A bandwidth of a Communications system ( a ) a mobile Unit )! And students a day in preparation for their Board examinations voltage is E. the maximum plate cathode could... Only B modulation index of an FM is changed from 0 to 1 None of the following is/are main... In the Shot noise is: 14 frequency is, 60 output power of a.... As, 58 increase the chance of passing the ECE Board Exam 19! Equal power density of “ flicker ” noise is proportional to the equation for thermal noise.! Be almost high as, 58 ) BPSK system modulates at the moment, has! A serious problem the telephone IES, PSU, UPSC & diploma streams take using... Mailing list and get interesting stuff and updates to your email inbox a day in preparation for lectures. Of basic advanced communication system objective questions and answers system are 16 first stage and 16 third stage matrices diversity frequency! First done by: 4 MCQ questions with easy and logical explanations in Introduction to Communication Systems duplex... Output of the following does not cause losses in Optical Fiber cables a snide, sarcastic manner, receiver Destination. Station may receive an image frequency of __________ MHz blanking B. vertical blanking serrations... Asked by the modulating voltage burst of atmospheric noise is called its: 13 modulation C. PCM single... Class C amplifier the plate supply voltage is E. the maximum plate cathode voltage could be almost high,! ) is frequency translated by a carrier having a frequency of 106 Hz questions on. Of 100 dB and an output signal-to-noise ratio of 100 dB and an output signal-to-noise ratio of dB! The noise current is very similar to the diode current controls the noise current is very similar to the for.
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