1. C. broad band antenna If you are looking for a reviewer in Communications Engineering this will definitely help. B. cheaper These days internet is highly in trend, you can practice internet objective questions and answers for better performance. 10. 8. D. 108 MHz, A. is always vertical in an isotropic medium D. limit noise picked by a receiver, Your email address will not be published. 11 . In case of low level amplitude modulation system, the amplifiers following the modulated stage must be, A. class C amplifiers 15. The baseband bandwidth for a voice-grade (telephone) signal is: 14. 1 bit/ symbol b. 6. 7. B. the wavelength transmitted through it 15. 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. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam. In ____________________, you split the bandwidth of a channel into sub-channels to carry multiple signals. To reduce bandwidth So called “1/f” noise is also called: 21. D. none of the above, A. a double-tuned amplifier Gets halved Likewise, pink noise has higher power density at lower frequencies. 12. Under ordinary circumstances, impulse noise can be reduced in, A. FM only Subscribe to our mailing list and get interesting stuff and updates to your email inbox. Which of the following statements is correct? B. speech voltage to be transmitted 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. C. To increase bandwidth C. 1.07 MHz The UHF band starts at ____________________ MHz. C. prevent excessive grid current B. linear devices For satellite communications, ____________________ noise can be a serious problem. C. Gets increased by 50 percent This can also be used for the preparation of UGC NET, SET, PhD, CET and other entrance exams. The output of the samples so obtained would be, A. correlated D. none of the above, 28. Answer: White light is composed of equal amounts of light at all visible frequencies. D. resistance, 3. The power density of “flicker” noise is: 19. 111) BPSK system modulates at the rate of. B. frequency diversity Which of the following does not cause losses in optical fiber cables? C. almost equally costly Radio signals first were sent across the Atlantic in the year ____________________. C. uncorrelated B. the radiation at right angles is maximum B. better linearity B. The equation for the noise current is very similar to the equation for thermal noise voltage. Which of the following is a digital modulation technique? List of 200+ marketing objective type or multiple choice (MCQ) question and answers! B. series capacitance. B. vertical blanking A. Armstrong modulator B. Phase Analogue Modulation B. a high gain D.C. amplifier C. either (a) or (b) B. Varactor diode modulator In a TV receiver antenna the length of reflector rod, A. is the same as that of dipole Dear Readers, Welcome to Optical Fiber Communication multiple choice questions and answers with explanation. The theory of radio waves was originated by: 2. At the moment, Pinoybix has become one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals. a. Best OFFICE PROCEDURES Objective type Questions and Answers. The modulation index of an FM is changed from 0 to 1. B. PWM D. All lens have negative focal power, A. resultant wave Explore the latest questions and answers in Communication Technology, and find Communication Technology experts. Multiple choice Questions on Business Communication. For attenuation of high frequencies we should use, A. shunt capacitance Light, Visible and Infrared communication. D. None of the above, 26. Bear in your mind that, failures, emergencies or critical points about a project must be communicated face to face. C. high frequency Free running multi-vibrator inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. D. none of the above, A. Laser beam for both recording and playback C. … D. Reactance bipolar transistor, 7. The frequency band used to modulate the carrier is called the ____________________ band. D. large bandwidth is required. D. the lower modulating power requirement. Thermal noise is caused by the random motions of ____________________ in a conductor. 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. The _______________ is the person who transmits the message. 18. Find the total NF for the pair. Fading of the received radio signals in a mobile communication environment occurs because of ..... A) Direct propagation (a) Output is independent of control input. Digital Communication Interview Questions ; Question 12. C. Micro bending D. none of the above. 7. A woofer should be fed from the input through a, A. low pass filter C. is useful in discrimination between reception of adjacent beams C. Delta modulation What do you understand by Communication. A. shunt capacitance. In ____________________, multiple signal streams take turns using the channel. a) Noise b) Semantic problems c) Cultural barriers d) Over communication View Answer B. is caused by reflection B. Impurities Tutorial of solved problems for oral viva questions & lab exam. Calculate the total noise voltage. 6. C. noise is very high for high frequency Skip distance depends on time of day and angle of incidence. 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. D. Remains unchanged, 56. 500 ohm B. high modulating power is needed C. change the antenna orientation of location Home » Communications » Questions and Answers » Blake Questions and Answers ». Also provides professionals with materials for their lectures and practice exams. 11. B. 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. 42. This Data Communication and Networking – Network Management: SNMP multiple choice Questions and Answers (MCQ) PDF covers the below lists of topics. B. Laser beam for recording and video head for playback Name the five elements in a block diagram of a communications system. As per Shannon-Hartley theorem, a noise less Gaussian channel has, A. zero capacity Crosstalk can also occur in radios, televisions, networking equipment, and even electric guitars. Fourier analysis indicate that a square wave can be represented as, A. a fundamental sine wave and odd harmonics The bandwidth required is, A. C. inductance D. 200 and 200. B. half duplex arrangement Mathematically, a spectrum is represented by a ____________________ series. To prevent over modulation D. the radiation is maximum in all directions, A. is useful in reducing depolarization effect on received wave 19. This is the Multiple Choice Questions in Chapter 1: Introduction to Communication Systems from the book Electronic Communication Systems by Roy Blake. Business Communication multiple choice questions and answers on Business Communication MCQ questions quiz on Business Communication objective questions. Useful for freshers, students preparing for semester exams, interview, placement, GATE, IES, PSU, UPSC & diploma. Your email address will not be published. Answer: Source, Transmitter, Channel, Receiver, Destination, Answer: Thermal, Shot, Partition, 1/f, transit-time. Why is thermal noise called “white noise”? D. 1280 kHz, 41. How does the transmitted power change? Leak type bias is used in plate modulated class C amplifier to, A. increase the bandwidth C. is more than that of dipole D. band stop filter. The telephone was invented in the year ____________________. 35 kHz The colour of an object is decided by, A. the reflected colour B. is less than that of dipole Management provides you all type of quantitative and competitive aptitude mcq questions with easy and logical explanations. This set of Professional Communication Multiple Choice Questions & Answers (MCQs) focuses on “Barriers of Communication”. B. Driver. If sampling is done at the rate of 10 kHz. 3. A. For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as, 58. 100 kHz C. band pass filter General Engineering Objective Questions and Answers for Competitive Exams. For a given carrier wave, maximum undistorted power is transmitted when value of modulation is, 24. B. Monostable multi-vibrator 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. Engineering 2021 , Engineering Interview Questions.com. C. class C amplifiers A) A mobile Unit B) A cell Site C) A mobile Telephone Switching Office D) All of the above 2. 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. C. quantising noise can be reduced by decreasing the number of standard levels D. results from longitudinal nature of waves, 45. 1000 ohm C. a fundamental sine wave and harmonics 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. B. harmonic devices B. quantising noise can be overcome by companding D. orthogonal. D. all of the above, 35. 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. Likewise, thermal noise has equal power density over a wide range of frequencies. 1. 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. B. upto 250 bps 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. 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) Output is dependent … C. is due to transverse nature of waves B. Effective communication is important all the time in every situation … 32. Suppose there is 30 µV from one noise source that is combined with 40 µV from another noise source. Stepped index operation B. amplitude of distant sidebands increases This is the Multiple Choice Questions in Chapter 1: Introduction to Communication Systems from the book Electronic Communication Systems by Roy Blake. 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. Communication Skills multiple choice questions and answers on Communication Skills MCQ questions quiz on Communication Skills objective questions. B. series capacitance Gets doubled D. To regulate oscillator I/P voltage, 37. (b) Output is dependent … Practice Multiple Choice Questions for Data Communication and Networking of computer awareness for SSC and banking exams. For AM receivers the standard IF frequency is, A. Answer : Crosstalk is a form of interference caused by signals in nearby conductors. B. infinite capacity The frequency range of 300 kHz to 3000 kHz is known as, A. low frequency D. none of the above, A. large bandwidth is required D. upto 600 bps, 4. A. D. directional antenna. B. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. 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. C. 200 and 100.1 Choose the letter of the best answer in each questions. A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. 14. B. C. non-linear devices AM only Get help with your agriculture homework! C. A is correct but R is wrong D. 100 ohm, A. amplifiers low frequency signals For telegraphy the most commonly used modulation system is, A. FSK B. Convex lens has negative focal power and concave lens have positive focal power A microwave receiver has a noise temperature of 145 K. Find its noise figure. D. non-linear devices, 21. 4. The equipment used to show signals in the frequency domain is the _________________________. C. Video head for recording and laser beam for playback VSB modulation is preferred in TV because, A. it reduces the bandwidth requirement to half 1. C. it results in better reception B. it avoids phase distortion at low frequencies B. D. Phase Amplitude Modulation, 47. See also: MCQ in Electronic Communication Systems by George Kennedy, ➡️ Kennedy: MCQ in Introduction to Communication Systems. What is the purpose of peak clipper circuits in radio transmitters? A. Convex lens has positive focal power and concave lens have negative focal power The characteristic impedance of a twin wire feeder used for TV signals is about, A. Both A and R are correct but R is not correct explanation of A If you are looking for a reviewer in Communications Engineering this will definitely help. B. a fundamental sine wave and even harmonics The transmission of radio waves was first done by: 4. Sarah answers questions asked by the professor in class in a snide, sarcastic manner. C. JK flip-flop Which of the following is an indirect way of generating FM? D. A is wrong but R is correct, 22. Answer: Communication is the process by which data … Since the power in the shot noise is proportional to the diode current, controlling the diode current controls the noise power. Why and when do we need it? D. … C. Pulse Amplitude Modulation 9. 17. B. 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. 30. The ‘B’ in Hartley’s Law stands for ____________________. To avoid blocking the number of intermediate paths required is, 60. 10. The bandwidth required for a modulated carrier depends on: 7. 200 and 1.01 2 bit/ symbol c. 4 bit/ symbol d. None of the above. This post covers marketing multiple choice questions with answers and explanation. Page 1. 12. B. phase cancellation method 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. There are 16 first stage and 16 third stage matrices. 1. Specially developed for the Electronic Engineering freshers … B. 2. In an open loop control system. A. C. 88 MHz How would you control the amount of noise generated? 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? D. suffers from the disadvantage of its incompatibly with TDM. 14. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. D. may be equal, more or less than that of dipole. These Marketing MCQs are equally useful for students for MBA, MMS, BBA, Bcom, Mcom, PGDM, MMM and MCA. Which of the following is used to generate PDM? 6. P C. small capacity C. both AM and FM In an open loop control system. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. D. mostly anticlockwise but some times clockwise, 52. D. neither (a) nor (b), 2. 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. FM transmitting and receiving equipment as compared to AM equipment is, A. costly C. serrations In TV systems, equalizing pulses are sent during, A. horizontal blanking C. eliminates any change in amplitude of received FM signals This is the complete list of Multiple Choice Questions from the book Electronic Communication Systems by George Kennedy. C. high power output per transistor 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. D. Differential PCM, 31. The more information per second you send, the ____________________ the bandwidth required. C. upto 400 bps 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 … 16. Required fields are marked *. Multiple Choice Questions and Answers on Digital Communication . Business Communication MCQ Questions and answers with easy and logical explanations. D. amplitude of distant sidebands first increases, then decreases, 40. C. clockwise or anticlockwise depending on frequency of data stored 106 kHz ANSWER: (a) 1 bit/ symbol. B. The professor comments that this type of communication is unacceptable in her classroom even if the answers … Home » COMMUNICATION SYSTEMS Questions » 300+ TOP COMMUNICATION SYSTEMS Questions and Answers pdf, 1. Answer: This project manager interview question will assess your risk management and communication management experience together. 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. 8. 29. B. high pass filter Find NF, both in dB and as a ratio. B. statistically independent 9. For attenuation of high frequencies we should use. B. produce 100% modulation D. harmonic devices, 38. B. prevent over modulation B. anticlockwise I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. D. voltage for which frequency, phase or amplitude is varied, A. use a longer transmission line Business Communication MCQ is important for exams like MAT, CAT, CA, CS, CMA, CPA, CFA, UPSC, Banking and other Management department exam. The collection of sinusoidal frequencies present in a modulated carrier is called its: 13. C. Reactance FET modulator 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. D. horizontal retrace, 59. C. voltage with constant frequency, phase or amplitude Both A and R are correct and R is correct explanation of A Commercial Frequency deviation of FM is, 12. Full duplex operation-permits transmission in both directions at the same time. In free space, radio signals travel at approximately ____________________ meters per second. 5. Which of these is the external sounds present in the channels of communication? A. Receiver. 36. MCQ on Digital Communication ... ANSWER: (b) Π. For a low level AM system, the amplifiers modulated stage must be, A. linear devices B. involves critical alignment of transmitting and receiving antenna An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 55. 19. Disabling a receiver during a burst of atmospheric noise is called ____________________. 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. A. 200 and 10.01 150 kHz 33. D. 10.7 MHz, 57. D. fundamental and subharmonic sine waves, 27. Objective Questions and Answers on Digital communication . The input to an amplifier has a signal-to-noise ratio of 100 dB and an output signal-to-noise ratio of 80 dB. D. Schmitt trigger, A. filter method D. none of the above, 5. 3. C. 10 kHz An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 106 Hz. If you are looking for a reviewer in Communications Engineering this will definitely help. D. Attenuation in glass, 20. This can be avoided by using, A. space diversity C. the radiation is zero in all directions Correct answer: (C) oral communication. B. connect a booster VHF stands for the ____________________ frequency band. C. PCM C. good attenuation characteristics The job of the carrier is to get the information through the ____________________. D. prevent tuned circuit damping, A. clockwise If output power of a radio receiver is doubled, its volume is increased by __________ dB. Microwave communication. One of the advantages of base modulation over collector modulation of a transistor class C amplifier is, A. improved efficiency C. 300 ohm Reason (R): FM and PM are two forms of angle modulation. B. reduces the amplitude of signals B. two tone modulation 54. Which of the following is/are the main part(s) of basic cellular system. Data Structures Multiple Choice Questions(MCQs) and Answers | Data Structures & Algorithms objective questions A modem is classified as low speed if data rate handled is, A. upto 100 bps The person who sent the first radio signal across the Atlantic ocean was: 3. D. twist the transmission line, 18. Question 11. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. MULTIPLE CHOICE QUESTIONS – WIRELESS COMMUNICATION 1. A telephone channel requires a bandwidth of about, 23. A radio signal’s ____________________ is the distance it travels in one cycle of the carrier. C. suppress carrier signal in order to create a single-sideband or double sideband 455 kHz The most common example is hearing an unwanted conversation on the telephone. 70 kHz C. Sender. Control Systems objective questions (MCQs) and answers for competitive & university exams. Quiz & question bank based on university syllabus covering all lessons, lecture notes, concepts & formula from textbooks. C. a cathode follower stage When two noise voltages, V1 and V2, are combined, the total voltage VT is: 22. 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. Help me go forward with the same spirit. Required is, 60 of a radio receiver which is tuned to a 91.6 MHz broadcast station may an... For attenuation of high frequencies we should use, A. correlated B. statistically independent C. uncorrelated D. orthogonal C the... Problems for oral viva questions & lab Exam Micro bending D. attenuation in glass,.... Make sure to familiarize each and every questions to increase bandwidth D. to regulate oscillator voltage... Carrier depends on: 7 signal ’ s Law stands for ____________________ passing ECE! ’ s ____________________ is the person who transmits the message with a spectrum represented. Question bank based on university syllabus covering all lessons, lecture notes, concepts & formula from.. Multiple Choice questions and answers for better performance, 39 both a and are! A signal-to-noise ratio of 100 dB and as a ratio moment, has. And 10.01 C. 200 and 200 the information through the ____________________ the of! Called: 21 of solved problems for oral viva questions & lab Exam is at... Equal amounts of advanced communication system objective questions and answers at all visible frequencies competitive & university exams to familiarize each every.: Communication is the external sounds present in the frequency domain is the external sounds present in channels! 91.6 MHz broadcast station may receive an image advanced communication system objective questions and answers of __________ MHz Communication Systems by George Kennedy Board.... Communication and networking of computer awareness for SSC and banking exams thousands of reviewers and students a day preparation! Pwm C. Delta modulation D. phase Amplitude modulation D. phase Amplitude modulation D. Differential PCM 31. Twin wire feeder used for the Electronic Engineering freshers … in an open loop system! Into sub-channels to carry multiple signals why is thermal noise is caused by signals in frequency... Professionals with materials for their Board examinations maximum undistorted power is transmitted when value of modulation is, 60 ____________________... Mind that, failures, emergencies or critical points about a project must be communicated face to face Communication... Modulator D. Reactance bipolar transistor, 7 reason ( R ): in the. And 100.1 D. 200 and 10.01 C. 200 and 100.1 D. 200 and 100.1 D. and! In an open loop control system of ____________________ in a Communication system originates in: 18, are combined the! A snide advanced communication system objective questions and answers sarcastic manner receiver which is tuned to a 91.6 MHz broadcast may! Mcq in Electronic Communication Systems Kennedy: MCQ in Introduction to Communication Systems by George Kennedy principle interpersonal... Would you control the amount of noise generated, 20 of passing the Board! Of peak clipper circuits in radio transmitters assure you that this will definitely.... ____________________ series ( MCQ ) question and answers with easy and logical explanations C. Delta modulation D. phase modulation! Are explained in a way that 's easy for you to understand and MCA low pass filter of 10. Structure is to get the information through the ____________________ are two forms angle! ( MCQ ) question and answers for competitive & university exams best in! Doubled, its volume is increased by __________ dB its noise figure of 5 and a of. Fsk B. two tone modulation, 47 and 128 output terminals two cascaded amplifiers each a... D. single tone modulation C. PCM D. single tone modulation, 47 high..., 11 Communication MCQ questions with easy and logical explanations lower frequencies shunt capacitance series! Characteristic impedance of a radio signal ’ s ____________________ is the process by data! Subscribe to our mailing list and get interesting stuff and updates to your email inbox structure. Data … why and when do we need it for your Board Exam s ____________________ is the Choice... Electric guitars, are combined, the total voltage VT is:.. Carrier is called ____________________ networking equipment, and even electric guitars done:. Assure you that this will definitely help per second you send, the ____________________ band Hz... Of solved problems for oral viva questions & lab Exam syllabus covering all lessons, lecture notes concepts., CET and other entrance exams to crack various competitive examinations each.. Mcq on Digital Communication... answer: white light is composed of equal amounts light., impulse noise can be reduced in, A. correlated B. statistically independent C. uncorrelated D. orthogonal stuff updates! Operation-Permits transmission in both directions at the same time phase Analogue modulation C. PCM D. single modulation. Range of frequencies students for MBA, MMS, BBA, Bcom, Mcom PGDM. To an amplifier has a signal-to-noise ratio of 100 dB and as a noise figure of 5 and a of!, 3 communicated face to face noise is caused by the professor class! Are two forms of angle modulation: in FM the frequency band used to modulate the carrier an conversation... ) and answers » 50 Hz to 10000 Hz ) is frequency translated by a ____________________ series and. 5 and a gain of 10 of 145 K. find its noise figure of 5 a! Competitive aptitude MCQ questions with easy and logical explanations formula from textbooks filter of bandwidth 10.! By a ____________________ series is independent of control input a three stage telephone Switching D. More information per second in one cycle of the following is/are the main part ( )! As, 58 following is/are the main part ( s ) of basic cellular system by using, A. B...., 57 explained in a conductor you can practice internet objective questions competitive examinations in, FM! Site C ) a mobile telephone Switching Office D ) all of which are explained a. Be used for the preparation of UGC NET, SET, PhD, CET and other entrance exams D.!, multiple signal streams take turns using the channel also: MCQ Electronic. B. Varactor diode modulator C. Reactance FET modulator D. Reactance bipolar transistor,.! Fsk B. two tone modulation, 11 D. phase Amplitude modulation D. Differential PCM, 31:.... » questions and answers for competitive exams also called: 21 of a into! The best answer in each questions a Communications system mathematically, a spectrum is represented by carrier! Horizontal retrace, 59 for freshers, students and Kids Trivia Quizzes to test your knowledge the! Lab Exam lecture notes, concepts & formula from textbooks ) all of the samples so obtained would,. Of peak clipper circuits in radio transmitters most common example is hearing an conversation. A diode as a ratio correlated B. statistically independent C. uncorrelated D. orthogonal a Digital modulation technique split the required! Is an advanced communication system objective questions and answers way of generating FM used modulation system is, a looking for plate-modulated. Fm and PM are two forms of angle modulation R ): in FM the frequency band to. Unit B ) Π book in preparation for your Board Exam diode,. Of 200+ Marketing objective type or multiple Choice questions in Chapter 1: Introduction to Communication Systems familiarize each every... Of reviewers and students a day in preparation for your Board Exam to your email.. To carry multiple signals doubled C. gets increased by 50 percent D. Remains unchanged, 56 the job the. And FM D. None of the carrier is varied by the modulating voltage, CET other... Differential PCM, 31 which is tuned to a 91.6 MHz broadcast station may receive image. Shot, Partition, 1/f, transit-time, 41 audio signal ( say from Hz... A. Armstrong modulator B. Varactor diode modulator C. Reactance FET modulator D. Reactance bipolar transistor, 7 losses! S Law stands for ____________________ µV from one noise source the preparation of UGC NET,,! The channel Board Exam signal-to-noise ratio of 80 dB attenuation of high frequencies we use. A mobile Unit B ) a mobile Unit B ) Π the _______________ is distance! Circuits in radio transmitters distance it travels in one cycle of the samples so obtained would,., sarcastic manner communicated face to face modulating voltage PCM B. PWM C. Delta modulation D. phase modulation. Their ultimate goal to become a full-pledged engineers very soon for ____________________, 58 use a as. Every questions to increase bandwidth D. to regulate oscillator I/P voltage, 37 samples so obtained would,. Is represented by a carrier having a frequency of the above, 39 practice exams avoided using! A cell Site C ) a mobile Unit B ) Π ( )!, 31 receiver has a signal-to-noise ratio of 100 dB and an signal-to-noise...
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