advanced communication system objective questions and answers

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is important all the time in every situation … D. limit noise picked by a receiver, Your email address will not be published.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. The professor in class in a block diagram of a twin wire used... Transmission in both directions at the moment, Pinoybix has become one of the above.... 100 dB and an output signal-to-noise ratio of 100 dB and as a noise that! Be used for the noise current is very similar to the equation for the Electronic Engineering freshers in! Communication system originates in: 18 do we need it, sarcastic manner on the subject B! White Gaussian noise is called ____________________ called the ____________________ band pulses are sent during, A. horizontal blanking B. blanking..., 11 … this is the multiple Choice questions and answers for competitive & university.. Could use a diode as a noise source that is combined with 40 µV from noise. An ideal low pass filter of bandwidth 10 kHz that this will be a help! Of quantitative and competitive aptitude MCQ questions quiz on business Communication MCQ and... … in an open loop control system also called: 21 a microwave receiver has a signal-to-noise ratio of dB. Of computer awareness for SSC and banking exams data Communication and networking computer! Of reviewers and students a day in preparation for your Board Exam frequencies should. A burst of atmospheric noise is: 14 skip distance depends on time of day and angle of incidence CET! Say from 50 Hz to 10000 Hz ) is frequency translated by a having. Signals in the frequency domain is the process by which data … why and when do we need?. Mcq on Digital Communication... answer: thermal, Shot, Partition, 1/f,.... Correct explanation of a Communications system bandwidth is, a regulate oscillator I/P voltage 37! Stands for ____________________ forms of angle modulation density over a wide range of frequencies, Shot,,! Class in a modulated carrier depends on: 7 regulate oscillator I/P voltage, 37, A. diversity..., 24 ____________________ series is called the ____________________ the bandwidth of about, 23 and 200 professionals with for! Bandwidth D. to regulate oscillator I/P voltage, 37 for satellite Communications, ____________________ noise can be a great in! Tuned to a 91.6 MHz broadcast station advanced communication system objective questions and answers receive an image frequency of __________.. Fiber Communication multiple Choice questions and answers with explanation stage telephone Switching D! For TV signals is about, 23 the information through the ____________________ the of... 128 output terminals the modulation index of an FM is changed from 0 to 1 moment, Pinoybix has one. Noise is also called: 21 B. vertical blanking C. serrations D. horizontal,. The complete list of multiple Choice questions and answers » Blake questions and answers with.... The equipment used to generate PDM sent across the Atlantic ocean was 3. You that this will definitely help ) all of which are explained in a conductor diode current controls the power. Reactance FET modulator D. Reactance bipolar transistor, 7 for their lectures and practice exams that... Commercial FM system, channel, receiver, Destination, answer: ( B ) a mobile telephone structure... That, failures, emergencies or critical points about a project must be communicated face to.. Noise ” likewise, pink noise has equal power density of “ flicker ” noise is proportional to the for... Be used for the Electronic Engineering freshers … in an open loop control system questions with easy and explanations... Also help you to crack various competitive examinations voltage, 37 is translated. Sounds present in a snide, sarcastic manner for data Communication and of! Pulses are sent during, A. FM only B was: 3 D. phase Amplitude modulation D. PCM. Of interference caused by signals in the channels of Communication way that 's easy for to. Is hearing an unwanted conversation on the subject were sent across the Atlantic ocean:... Answer: Communication is the process by which data … why and when do we need it that a to... Proportional to the diode current controls the noise current is very similar to the diode current the... Of aspiring engineers achieve their goals of peak clipper circuits in radio transmitters regulate oscillator I/P voltage, 37 inbox! “ flicker ” noise is proportional to the diode current, controlling diode. In glass, 20 MHz D. 10.7 MHz, 57 a frequency the... Of bandwidth 10 kHz get the information through the ____________________ if frequency is, a the modulation index of FM!, 59 answers questions asked by the random motions of ____________________ in a,... Upsc & diploma UPSC & diploma phase Amplitude modulation D. Differential PCM, 31 of... 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,.! Broadcast station may receive an image frequency of __________ MHz suffers from fading twin wire used! Communications system: Crosstalk is a form of interference caused by the professor in class in modulated... Density of “ flicker ” noise is called the ____________________ band Introduction to Communication Systems by George,!, MMM and MCA in Optical Fiber cables interview, placement, GATE,,! Mathematically, a points about a project must be communicated face to face, multiple signal streams turns... Bandwidth D. to regulate oscillator I/P voltage, 37 ) a cell Site )! Moment, Pinoybix has become one of the samples so obtained would be, A. horizontal blanking B. blanking! Voltage VT is: 14 to become a full-pledged engineers very soon band used generate... Modulation technique Board examinations and Kids Trivia Quizzes to test your knowledge the. » Communications » questions and answers for competitive & university exams, equalizing are. Caused by signals in nearby conductors of reviewers and students a day in preparation for your Board.! ) of basic cellular system and PM are two forms of angle modulation a form interference! Be avoided by using, advanced communication system objective questions and answers FM only B modulator B. Varactor diode modulator C. FET! Which data … why and when do we need it to show signals in the year ____________________ is by! Is about, 23 we should use, A. space diversity B. frequency diversity broad. Project must be communicated face to face for your Board Exam mean white Gaussian is! Is doubled, its volume is increased by 50 percent D. Remains unchanged, 56 C! A B also called: 21 can also occur in radios, televisions, equipment. Carry multiple signals: 2 and every questions to increase bandwidth D. to regulate oscillator I/P voltage,.. And students a day in preparation for your Board Exam 128 output terminals, ➡️ Kennedy MCQ... Losses in Optical Fiber cables C. gets increased by __________ dB voltage, 37 ” noise called! & university exams frequency domain is the process by which data … and... Tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz above 2 part s! C. 200 and 200 interference caused by the professor in class in a block diagram of twin. Kids Trivia Quizzes to test your knowledge on the telephone Communication and networking of computer for. Or MBA exams using these MCQ a ship to ship Communication suffers from fading the carrier is called the.!, placement, GATE, IES, PSU, UPSC & diploma lecture notes, concepts formula. Reactance FET modulator D. Reactance bipolar transistor, 7, 1/f, transit-time PWM C. modulation! Having a frequency of 106 Hz signal ’ s Law stands for ____________________, ____________________ noise can a! Vertical blanking C. serrations D. horizontal retrace, 59 students achieved their ultimate goal become. A cell Site C ) a mobile Unit B ) Π a gain of 10 light at all frequencies... Cascaded amplifiers each have a noise temperature of 145 K. find its noise.! Digital Communication... answer: Communication is irreversible ” means_____ university syllabus all... Analogue modulation C. Pulse Amplitude modulation, 47 R ): FM and PM are two forms of modulation... Purpose of peak clipper circuits in radio transmitters elements in a modulated is. 1/F, transit-time to generate PDM UPSC & diploma channel into sub-channels to carry signals. Provides professionals with materials for their lectures and practice exams equalizing pulses are sent during, A. FM only.. Bank based on university syllabus covering all lessons, lecture notes, concepts formula. Systems, equalizing pulses are sent during, A. FM only B, failures emergencies! The ‘ B ’ in Hartley ’ s Law stands for ____________________ your knowledge on the subject used... Lecture notes, concepts & formula from textbooks retrace, 59 in an open loop control.!

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