Technical study which deals with production, transport and delivery of a quality signal from source to destination. A. Transmission system engineering B. Communication system engineering C. Telephony engineering D. Telegraphic engineering

Technical study which deals with production, transport and delivery of a quality signal from
source to destination.
A. Transmission system engineering
B. Communication system engineering
C. Telephony engineering
D. Telegraphic engineering
by

1 Answer

Answer :

A. Transmission system engineering
by

Related questions

Determine from the following the basic mode of transmission system in the public data network in which data are transferred from the source to the network and from the network to the destination in the frame format. A. Voice mode B. Asynchronous mode C. Synchronous mode D. Packet mode

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Last Answer : D. Packet mode

Noise always affects the signal in a communications systems at the ________. A. transmitter B. channel C. information source D. destination

Description : Noise always affects the signal in a communications systems at the ________. A. transmitter B. channel C. information source D. destination

Last Answer : B. channel

TRAI stands for (a) Trans Communication Regulatory Authority of India ; (b) Telecom Regulatory Authority of India (c) Telegraphic Regulatory Authority of India ; (d) Traffic Regulatory Authority of Indi(a)

Description : TRAI stands for (a) Trans Communication Regulatory Authority of India ; (b) Telecom Regulatory Authority of India (c) Telegraphic Regulatory Authority of India ; (d) Traffic Regulatory Authority of Indi(a) 

Last Answer :  (b) Telecom Regulatory Authority of India

Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than analog signals C. digital signals are smaller than analog signals and cannot easily be distorted D. analog signals are continuous and not easily distorted.

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Last Answer : A. repeaters regenerate digital pulses and remove distorstion

What is the term used in telephony and telegraphy for irregular disturbing radiation due to various causes and in a particular produced by arc transmitters causing a rushing sound in receiving telephones? A. Fax tone B. Mush C. Hiss D. Crosstalk

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Last Answer : B. 156.8 MHz

The term ________ means that IP provides no error checking or tracking. IP assumes the unreliabilityof the underlying layers and does its best to get a transmission throughto its destination,but with no guarantees. A) reliable delivery B) connection-oriented delivery C) best-effort delivery D) noneof the above

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Last Answer : A. 1. True, 2. false, 3. true

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Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques

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Last Answer : B. The approximation of the quantized signal

Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques

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Investigation for important bridges may be carried out in which stage a) Technical feasibility study (reconnaissance survey) b) Techno-economic feasibility study (preliminary engineering survey) c) Detailed survey and project report stage (final location survey) d) All the above *

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Designed to receive a signal from a transmitting station on the ground and retransmit it to a receiving station located elsewhere A. Communication satellite B. Repeater C. Relay station D. Transponder

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Last Answer : A. Communication satellite

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A component that samples the microwave signal travelling in one direction down to the transmission line A. Isolator B. Combiner C. Directional coupler D. Attenuator

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What is the propagation velocity of a signal in a transmission line whose inductance and capacitance are 5μH/m and 20μF/m respectively? A. 100x103 m/s B. 100 m/s C. 10x103 m/s D. 100x106 m/s

Description : What is the propagation velocity of a signal in a transmission line whose inductance and capacitance are 5μH/m and 20μF/m respectively? A. 100x103 m/s B. 100 m/s C. 10x103 m/s D. 100x106 m/s

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What type of transmission is radiated from an aircraft’s radio altimeter antenna? A. An amplitude modulated continuous wave B. A pulse position modulated UHF signal C. A differential phase shift keyed UHF signal D. A frequency modulated continuous wave

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A pair of current-carrying conductors is not considered a transmission line unless it is at least ___ λ long at the signal frequency. A. 0.1 B. 0.3 C. 0.2 D. 0.4

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ECE Board Exam March 1996 The expander in a companding device provides ___________. A. greater amplification for low signal levelsB. less amplification for low signal levels C. greater amplification for high signal levels D. lesser pressure for transmission

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In data communication the transmission of binary signals will require _______. A. Same bandwidth as analog B. More bandwidth than analog C. Less bandwidth than analog D. Bigger cable diameter

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This type of transmission permits communication in the frequency range from 30 to 60 MHz and over distances from about 1000 to 2000 km. A. Troposcatter B. Ionospheric scatter C. Ducting D. Microwave

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Type of transmission path that permits communication in the frequency range from 30 to 60 MHz and over distances form about 1000 to 2000 km. A. Ducting B. Ionospheric scatter C. Microwave D. Troposcatter

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Indicate the false statement. Noise figure is defined as A. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or load resistor B. noise factor expressed in decibels C. an unwanted form of energy tending to interfere with the proper and easy reception and reproduction of wanted signal D. S/N of an ideal system divided by S/N at the output of the receiver or amplifier under test, both working at the same temperature over the same bandwidth and fed from the same source

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Suppose transmission rate of a channel is 32 kbps. If there are ‘8’ routes from source to destination and each packet p contains 8000 bits. Total end to end delay in sending packet P is _____. a. 2 sec b. 3 sec c. 4 sec d. 1 sec

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It is the transmission of information in any form from one source to one or more destination.

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Last Answer : Multiplexing

What is the main purpose of a communications system? A. None of these B. To have a frequency assignment C. For modulation D. To provide an acceptable replica of the information at the destination

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Last Answer : D. To provide an acceptable replica of the information at the destination

Which of the following refers to the video signal amplitude that determines the quality of the picture? A. Chrominance B. Luminance C. Brightness D. Contrast

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Description : Width of frequency band just enough to ensure the transmission of information at a required rate and quality required, and under a specified condition and class of emission. A. Occupied bandwidth B. Transmission bandwidth C. Necessary bandwidth D. Frequency bandwidth

Last Answer : C. Necessary bandwidth

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Last Answer : b. process to process communication

Transport layer protocols deals with _____ a. application to application communication b. process to process communication c. node to node communication d. man to man communication

Description : Transport layer protocols deals with _____ a. application to application communication b. process to process communication c. node to node communication d. man to man communication

Last Answer : b. process to process communication

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Last Answer : B. process to process communication

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Which of the following is a branch of agricultural science which deals with principles and practices of soil, water and crop management. What is the name of the branch? a. Crop production b. Agricultural engineering c. Home Science d. Agronomy

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Last Answer : a. End system

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