Practice Quiz in Wire and Wireless Communications System Part 6

Quiz in Wire and Wireless Communications System

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This is the Online Practice Quiz in Wire and Wireless Communications System Part 6 as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.

Continue Part VI of the Online Practice Quiz

Quiz in Wire and Wireless Communications System

Question 51. To least the fault of the given line, a signal is fed to the line, 30 µs later the signal returned. What is the distance of the fault?

A. 9000 m

B. 300 m

C. 100 m

D. 4500 m

Question 52. In order to provide 100% coverage without overlap, cellular telephone system can use

A. Hexagon cell shape

B. Triangle

C. Rectangular

D. All of these

Question 53. Combination of madulator, channel, and detector.

A. Transceiver

B. Transponder

C. T/R channel

D. Discrete channel

Question 54. A device that converts a 2-wire circuit to a 4-wire circuit.

A. RS-232 interface

B. Hybrid circuit

C. Balun

D. Stub

Question 55. The ________ of radio receiver amplify weak signal and produce a desirable intelligence at the output speaker.

A. sensitivity

B. selectivity

C. reliability

D. fidelity

Question 56. The signal quality of the calls is constantly monitored by the base station, when the quality of the calls drops below a certain specified level. The base request the MTSO to try and find a better cell site.

A. Hand-off

B. Cell splitting

C. Roaming

D. Frequency reuse

Question 57. When the message is transferred from one cell site transmitter to another cell site transmitter as the caller crosses a boundary __________ process takes place.

A. Shifting

B. Hand off

C. Give off

D. Turn over

Question 58. What is a leased line?

A. A piece of wire used in a local area network in one building

B. A piece of wire connecting a telephone set to a PABX

C. A temporary connection of one computer to a mainframe via a modern and a telephone line

D. A permanent circuit for a private use within a communication network

Question 59. When human voice and music are transmitted, the type of communication employed is known as

A. Raditechnology

B. Audio frequency

C. Wired audio

D. Radiotelephony

Question 60. A type of distortion a facsimile produce when it becomes out of synchronization?

A. Pincushion

B. Barrel

C. Skewing

D. Fattening

List of Practice Quizzes

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