Practice Quiz in Wire and Wireless Communications System Part 48

This is the Online Practice Quiz in Wire and Wireless Communications System Part 48 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 XLVIII of the Online Practice Quiz

Quiz in Wire and Wireless Communications System Question 471. The feedback signals that help prevent the speaker from talking too loudly. A. busy tone B. ringback tone C. dial tone D. sidetone Question 472. Telephone set component placed directly across the tip and ring to alert the designation party of an incoming call. A. transmitter B. receiver C. ringer D. dialer Question 473. It is comprised of a transmitter, receiver, an electrical network for equalization, associated circuitry to control sidetone levels and to regulate signal power and necessary signaling circuitry. A. telephone B. television C. facsimile D. computer Question 474. What type of graphics are commonly transmitted by radio fax? A. Newspaper text B. Architectural drawings C. Cable movies D. Satellite weather photos Question 475. In telephony, functions that identify and connect subscribers to a suitable transmission path A. transmission functions B. signaling functions C. switching functions D. calling functions Question 476. It is a parameter equivalent to TLP except that it is used as a reference for data transmission. A. transmission level point B. data level point C. voice level point D. baseband transmission point Question 477. Most fax printers are of which type? A. Impact B. Thermal C. Electrosensitive D. Laser xerographic Question 478. The connection between two central offices A. line B. trunk C. loop D. signaling Question 479. In a 4-wire telephone set connection, (used to connect telephone set to office central switching) the yellow coded wire is used _______________. A. as ground wire B. to transmit the signal C. to receive the signal from the far end D. as a spare or for special purpose applications Question 480. Early paging system uses what modulation technique? A. pulse modulation B. amplitude modulation C. phase modulation D. frequency modulation

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