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C. Galileo Galilei 1, 2 and 3 are correct 2. Speech coding technique that is independent of the source is, A. Vocoders B. Rate of convergence d. Both b and c Same spectrum and same PN code MCQ quiz on Mobile Communication multiple choice questions and answers on Mobile Communication MCQ questions on Mobile Communication objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams Page 9 The science of communication and control is known as _____. C. Mobility In Network c. Both a & b CDMA is advantageous over other Spread Spectrum techniques for, 1. d. None of the above, ANSWER: Minimum time for change in magnitude and phase of the channel, a. D. Demand access protocol, 140. B. B. C. Frequency selective fading Fresnel Reflection Coefficient is a factor of, 1. b. e. Both b and c, a. D. None of the above, Ans:- Increasing the number of base stations & reusing the channels, 27. Resistance to multi path fading Frequency of signal Engineering 2021 , Engineering Interview Questions.com, MOBILE COMMUNICATION Multiple Choice Questions :-. Mobile station battery consumption is low C. MSC allocates the channel according to the predetermined algorithm Linearity, A. A directory of Objective Type Questions covering all the Computer Science subjects. B. This Data Communication and Networking – SONET/SDH multiple choice Questions and Answers (MCQ) PDF … Signal fading due to Doppler shift in the channel Equalizer algorithm Increasing the number of base stations & reusing the channels Numerical properties 3. Coherence Bandwidth of the channel is less than bandwidth of transmitted channel C. 2 and 3 are correct e. All a, b and c are correct, 92. 1 and 3 are correct Zero forcing algorithm Each user has unique PN code, A. Resistance to multi path fading B. < 100 MHz C. Spectrum Maximum Likelihood Symbol Detection b. d. All the four are correct, 1. Two base stations operating in same frequency band C. Low pass filter Half duplex systems Types of small scale fading, based on Doppler spread are, A. Interference C. It approximates circular radiation pattern 1 and 2 are correct 3. Distance between the subscriber and the base station B. c. Both a & b Direct RF pulse system helps in calculating, A. d. Block transform coding, 105)   The steps involved in Channel vocoders for speech transmission are, a. b. Communication in single direction at a time C. 1 and 4 are correct Digital European Cellular Telex 2. The traffic carried per cell divided by the bandwidth of the system and the area of a cell D. All four are correct, A. Time synchronization problems Single channel per carrier C. Transceiver c. Decreasing the S/N ratio at the antenna input c. 1, 2 and 4 are correct b. 2. B. B 20. Gets blocked b. C. Quantizer d. Multiplexers, 107)   In voice excited vocoders, PCM transmission helps in transmission of, a. Using same communication medium e. Both b and c, 54. Variation in amplitude and phase at receiver, a. b. 4. The channel allocated is not available b. C. Both a & b C. Hybrid access protocol C. Envelope detection, encoding, sampling, multiplexing 2. Hand off b. 1, 2 and 3 are correct 2G CDMA standard – cdma one supports up to, A. 1, 2 and 3 are correct d. All of the above e. Both b and c, a. Time dispersion, 153)   Impulse response of a multipath channel is determined by the fact that, a. B. Suitability for frequent handoffs Coherence Bandwidth of the channel is more than bandwidth of transmitted channel D. All of the above, 156. D. < 2 GHz, 10. D. All four are correct, 122. name chapter 1--communicating in today's workplace description instructions modify add question here question multiple choice points modify remove question. 4. Fast fading D. All of the above, 42. Signal compression techniques c. Is used for high speed users with large coverage area and low speed users with small coverage area Transfers the call These are time domain vocoders The windowing technique used for speech coding in GSM Codec is, A. Blackman window Uses different antenna heights C. Both a & b 4. D. All the four are correct, 1. A 18. 4. b. C. Full duplex systems Increase in radio spectrum C. Both a & b 3. C. Frequency allocation of nearest cells e. Both a and c, 31. < 100 MHz C. Voice message 4. 2. Maximum Likelihood Symbol Detection The two common multiplexing techniques are FDM, which separates signals by modulating the data onto different carrier frequencies, and TDM, which separates signals by interleaving bits one after the other. 4. Every user has assigned unique frequency slot Frequency modulation C. ASK D. FSK. b. 3G W-CDMA is also known as a. UMTS b. DECT c. DCS-1800 d. ETACS A question may or may not specify the number of choices to select. B. Increase in probability of collision Which of the following is/are the main part(s) of basic cellular system. The modulation technique used for mobile communication systems during world war II was. About us; b. Fractionally spaced equalizer acts as, A. D. Block transform coding, 105. 35)   In a dynamic channel assignment strategy, a. 1, 2 and 3 are correct The power received by the mobile station from other base station is more than the serving base station 1 and 3 are correct b. Waveform coders B. Multiple Choice Questions of Computer Networking 1-1 Computer Network is A. The rainbow pattern seen on a CD is an example of, A. d. None of the above, a. B. Waveform coders d. 2 and 3 are correct, 63)   When a wave falls on a perfect conductor, a. Increased capacity b. The residue of subtraction of generated and original signal is quantized at the transmitter Robustness to transmission errors c. Low pass filter B. Roamer These Communication Objective Questions with Answers are important for competitive exams UGC NET, CAT, CMAT, GATE, IBPS Specialist Recruitment Test. B. Queuing of handoffs 2. d. 116 users, a. B. b. Is a function of transmitting and receiving antenna gain c. II bits Multiple users occupy different spectrum at a time, 1. 2. D. All of the above, Ans:- Assigning different group of channels, 26. Multiple users, 75)   PN sequence at the decoder acts as a locally generated carrier at the receiver and decodes the signal using, a. Correlator b. d. All of the above, a. Transmitter D. None of the above, 19. B. Received power increases with gains of transmitting and receiving antennas, 1. 2. 2. d. The spectrum acquired by the noise between the signal, ANSWER: The small unused bandwidth between the frequency channels to avoid interference, 1. Reduced spectral efficiency 2. d. All of the above, 101)   Speech coding technique that is independent of the source is, a. Vocoders c. High symbol rate Impulse response in phase domain Advantage of using waveform coders is, 1. Matched filter Amplitude of signal, 85. D. All of the above, 36. c. Multiplexed signals The small unused bandwidth between the frequency channels to avoid interference Inaccuracies in the mathematical analysis Frequency of the incident wave, A. 1 and 2 are correct Fixed channel assignment d. Both a and b are correct Envelope detection, sampling, encoding, multiplexing Recursive least squares algorithm, 91)   Fractionally spaced equalizer acts as, a. b. d. All of the above, 52)   Interference in frequency bands may lead to, a. Single user on multiple channels as per demand Several sub receivers b. C. Noise produced during one complete iteration of algorithm B 7. Better speech quality D. All four are correct, A. d. All are correct, 61)   The rainbow pattern seen on a CD is an example of, a. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. Free download in PDF Mobile Communication Multiple Choice Questions and Answers for competitive exams. Distance between the transmitter and receiver, a. Increased capacity Fixed assignment is possible b. 2. C. Digital European Cordless Telephone Type of modulation technique used D. Both a and b Computational complexity of an algorithm refers to the, A. b. 2. b. 2)   ———– introduced Frequency Modulation for mobile communication systems in 1935. a. Edwin Armstrong Robustness to transmission errors B. INFORMATION TECHNOLOGY QUESTIONS AND ANSWERS MULTIPLE CHOICE … Multiple Choice Pdf. 2. 3. d. All four are correct, 129)   CDMA is advantageous over other Spread Spectrum techniques for, 1. At ElectronicsPost.com I pursue my love for teaching. b. Hopping rate greater than or equal to information symbol rate Equalizer structure Spread spectrum technology Sampling, Envelope detection, encoding, multiplexing c. Excess delay spread C. 2 and 3 are correct Less complexity c. Part of energy gets absorbed Week signal conditions d. None of the above, 102)   Advantage of using waveform coders is, 1. Learn daily practice multiple choice questions and answers for Data Communication and Computer Networks ebooks pdf free download. Multiple users, 75. The digital modulation technique used in frequency selective channels is, 83. c. Transmitter and receiver Propagation along the ground surface, A. Linear predictive coders are based on the principle that, 1. B. B. If coherence time of the channel is smaller than the symbol period of the transmitted signal, it is, A. B. D. Digital European Cellular Telephone, Ans:- Digital European Cordless Telephone, 5. Trunking in a cellular network refers to, A. B. PN sequence for modulation Equalizer structure The traffic carried by whole network You can answer the quiz questions by clicking on the "radio" buttons. Single user on multiple channels as per demand D. All four are correct, 121. 2. d. All of the above, 98)   Speech Coders are categorized on the basis of, a. 2. D. All of the above Multiple choice questions with answers Organizational Behaviour & Management (Hogeschool Rotterdam) Multiple choice questions with answers Organizational Behaviour & Management (Hogeschool Rotterdam ... Download Full PDF Package. Speech coders 1 and 2 are correct d. Multiple users with coding techniques, a. 2. b. COMMUNICATION FOR ADMINISTRATIVE PROFESSIONALS I (OSM404) QUIZ 1 MODEL ANSWER PART A – MULTIPLE CHOICE QUESTIONS (20 MARKS) 1. 3. d. Both a and b c. Coherence Bandwidth of the channel is equal to bandwidth of transmitted channel Number of operations for one iteration of algorithm c. 2 and 3 are correct Two calls in progress in nearby mobile stations 2. B. 3. Resistance to multipath fading Temporary failure of message transfer, a. b. B. b. D. None of the above, Ans:- Minimum time for change in magnitude and phase of the channel, A. B. Adder d. All the four are correct, 131)   The advantages of using a CDMA technique over other spread spectrum techniques are, 1. Dynamic 2, 3 and 4 are correct Frequency diversity Gets blocked Spectrum Efficiency of a cellular network is, A. d. All of the above, 42)   When a fraction of assigned channel is reserved for handoffs, it is, a. B. Different phase, 152)   The effects of small scale multipath propagation are, 1. 4. 2. b. Which of these is the external sounds present in the channels of communication? Computational complexity c. Propagation of call 2. Amplitude, frequency, and phase Multiple Choice Question and Answer. c. ASK Interference rejection capability Increase in delay d. All of the above, ANSWER: Number of bit errors during transmission, 82)   The digital modulation technique used in frequency selective channels is, 83)   Working of Adaptive Equalizers include, a. D. All the four are correct, 130. Space diversity D 11. Several sub receivers D. None of the above, Ans:- Communication in single direction at a time, A. 1 and 2 are correct d. All the four are correct, 78)   Direct sequence spread spectrum demodulation uses, a. B. 1, 2 and 4 are correct b. Providing Guard channel C. II bits Speech Coders are categorized on the basis of, A. b. Received power falls with square of the distance between the transmitter and receiver Encoding digital data Small scale multipath propagation is caused due to waves with, 1. b. - 2 d. All of the above, 46)   In Mobile Assisted Handoff (MAHO), the handoff takes place when, a. These days internet is highly in trend, you can practice internet objective questions and answers for better performance . d. Both a and b Focusing radio energy towards ground d. All four are correct, a. 3. Send numeric messages 3. Limited spectrum is required C 10. d. All of the above, 36)   Advantage of using Dynamic channel assignment is, a. Diffraction, at high frequencies, depends upon, 1. C. Dynamic channel assignment c. 32 users b. Welch window 1 and 2 are correct Addition of transmitted signal and impulse response Large bandwidth C. Increased spectral efficiency Increased immunity to interference c. 1, 2 and 4 are correct b. The privacy due to unique codes e. Both a and b, 151)   Small scale multipath propagation is caused due to waves with, 1. D. None of the above, 9. Amplitude of the incident wave c. Use of different frequencies at same time slot B. These short objective type questions with answers are very important for Board exams as well as competitive exams. c. Low co-channel interference Different phase, 152. b. B. D. Receivers of mobile stations, A. Different amplitudes d. Both a and c are correct, ANSWER: One or more symbols transmitted in time interval between frequency hops, a. B. B. b. C. One or more symbols transmitted between frequency hops d. Estimation of transmitted signal, demodulation, bit decision, correlator, ANSWER: Correlator, estimation of transmitted signal, demodulation, bit decision, 97)   Search window of a RAKE receiver is, a. d. None of the above, 154)   The received signal from a multipath channel is expressed as, a. Convolution of transmitted signal and impulse response Drop in signal to noise ratio C. Directly proportional to square of Doppler spread d. Both a and b D. Both a and b Wide band digital communication Limited internet browsing Indirectly proportional to Doppler spread Unobstructed line of sight between the transmitter and receiver When all of the radio channels are in use in a trunking system, A. Rate of change of multipath radio channel Fundamentals of mobile communication - 1 - MCQs with answers 3G Cellular Networks Q1. The strategies acquired for channel assignment are, A. d. All the four are correct, 1. 2. Low spectral efficiency Send numeric messages C. 2 and 3 are correct Frequency synchronization problems 2. Short Messaging Service It uses the maximum area for coverage The call is served by unused channels of the cell D. None of the above, A. Rate of change of multipath radio channel c. MSC allocates the channel according to the predetermined algorithm 1, 2 and 3 are correct c. Digital European Cordless Telephone B. Doppler spread small scale fading c. Communication in both directions at the same time Your email address will not be published. Encoding digital data Termination of a call Avoids ISI C. Un availability of the channel Missed calls C. Diffraction B. b. Scheduled access protocol The traffic carried per cell divided by the bandwidth of the system and the area of a cell Fingers These short objective type questions with answers are very important for Board exams as well as competitive exams. 3. C. ASK 1 and 2 are correct d. Both a and b No, at this stage it is one-way communication b. b. LTP filter The methods used for non linear equalization are, A. c. Bandwidth of the signal b. 4. No, at this stage it is one-way communication b. Reflection coefficient is zero c. Multiple users on multiple channels at different time slots c. 2 and 3 are correct C. Large coherence time of the channel as compared to the delay constraints First Generation Mobile Network or simply 1G Network allowed mobile or cellular telephony with mobility across states and countries. d. Coder and decoders have predetermined set of codes, ANSWER: The residue of subtraction of generated and original signal is quantized at the transmitter, 111)   The speech sequence in GSM Codec consists of, a. Pre emphasis, segmentation, windowing, filtering One or more symbols transmitted in time interval between frequency hops Different propagation delays High frequency bands of speech b. Tracking c. Cosine window Low symbol rate and guard interval C. Range of noise D. Multiplexers, 107. Uses large and small cells c. Both a & b Gets transferred to another cell Frequency allotted c. Low earth orbit satellites Large coherence time of the channel as compared to the delay constraints d. Use of different time slot for different frequency channels, ANSWER: Use of same frequency channel for different time slot, a. TDMA cellular systems Recursive least squares algorithm, 91. TELECOM MCQS … 3. b. B. Fading of the received radio signals in a mobile communication environment occurs because of ..... A) Direct propagation Amplitude of the incident wave e. Both b and c, A. In voice excited vocoders, PCM transmission helps in transmission of, A. Properties of the material at which reflection occurs D. Frequency selective fading, 146. Mobile Identification Number The effects of small scale multipath propagation are, 1. B. The channel allocated is not available MULTIPLE CHOICE QUESTIONS – WIRELESS COMMUNICATION 1. 200 KHz When a fraction of assigned channel is reserved for handoffs, it is, A. Home » Mobile Communication Questions » 300+ TOP MOBILE COMMUNICATION Multiple Choice Questions & Answers, 1. D. 2 and 3 are correct, 63. c. It approximates circular radiation pattern A. b. 3. D. Coder and decoders have predetermined set of codes, Ans:- The residue of subtraction of generated and original signal is quantized at the transmitter, 111. b. b. Ib bits b. Transmitters of base stations To eliminate ISI C. Bandwidth of the signal Sampling, Envelope detection, encoding, multiplexing B. D. Use of different time slot for different frequency channels, Ans:- Use of same frequency channel for different time slot, A. TDMA cellular systems The access to the system is denied Direct sequence spread spectrum demodulation uses, A. B. Hopping rate greater than or equal to information symbol rate The methods used for mobile communication systems in 1935 is avoided by, a questions Try multiple... Assignment strategy, a to know more about me, please visit my `` about '' Page different,! Frequency reuse mobile communication multiple choice questions with answers pdf, a users are assigned with, a known as _____ change... Service C. Both a & b D. None of the above, a were used in bands... M.Tech in Electronics & mobile communication multiple choice questions with answers pdf Engineering be implemented as, a the techniques for! Quizzes are provided by Gkseries using a CDMA technique over other spread technique. Ibps Specialist Recruitment test open answer questions Try the multiple Choice question and answer visit my about! Need of pulse shaping filter b TDMA is a function of transmitting and receiving antenna 71! Edwin Armstrong B. Albert mobile communication multiple choice questions with answers pdf C. Galileo Galilei D. David Bohm, 3 and 4 are correct,.. Of users in PURE ALOHA causes, a across states and countries 3G is! It is, a acts as, a amplitude of signal C. bandwidth of transmitted channel b carrier... Excitation coefficients are separated by, A. Convolution of transmitted signal and impulse response is time varying C. Both and... Exams as well as competitive exams to, a separated by, A. transmitter receiver!, PCM transmission helps in determining, a of using a CDMA technique over other spectrum. For one iteration of algorithm b: a modulation involves, 1 not. 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None of the material at which reflection occurs 3 of b. That OFDM faces over other spread spectrum techniques are, 1 multiplexing is transmitting multiple mobile communication multiple choice questions with answers pdf over a,... Variation in amplitude and phase at receiver, a < 1 GHz D. < 2 GHz,.... At the transmitter and receiver 2 propagation are, 1 the types of small scale multipath propagation,. Communicate with each other through Practice these mcq questions and answers for preparation various! 35 ) in a trunking system, a modeled as linear filter b frequency! Are provided by Gkseries for which the Equalizer converges depends upon,.! Is avoided by, a bit rate vocoders, a receiver 2 below to test your knowledge of this.. Square of the distance between the transmitter and receiver 2 made through our links selected on the radio! Are waves with a TDMA frame that has preamble calls D. All of the,... 1 - MCQs with answers are important for Board exams as well as competitive exams today 's workplace description modify. Push-To-Talk Telephone systems were used in frequency selective fading D. frequency non selective D.. And analysis is increased C. Both a & b D. None of the signal D. All four are C.... Transmitted signal and impulse response b multipath measurements are, a why communication skills is important in lives., 2 and 4 are correct C. 2 and 4 are correct C. and! Or quizzes are provided by Gkseries principle that, a, 28 of speech C. Multiplexed signals D. Modulated,., and phase at receiver, a the increase in spectrum D. Both and. This stage it is one-way communication b Irrespective of the transmitted signal, it is, 23 MCQs! B. Queuing of handoffs C. Both a & b D. None of the location of the,. The system is denied C. the queue may be modeled as linear filter b purchases made through links... Best reference books on Wireless & mobile Communications in probability of collision C. increase in spectrum D. Both &., 98 present in the Amazon Services LLC Associates Program, and get!

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