This is the Online Practice Quiz in Wire and Wireless Communications System Part 44 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 XLIV of the Online Practice Quiz
Quiz in Wire and Wireless Communications System
Question 431. The talker hears a returned portion of the signal as an echo, what is the round-trip time of delay for an echo to quite annoying?
Question 432. He developed the first instrument that transmitted music over a wire.
Question 433. A device used to measure speech volume
Question 434. The process used to improve a basic telephone channel is called
Question 435. The frequency range of maximum voice energy is between
Question 436. A telephone call completed within a single local exchange is called
Question 437. It is the primary source of transmission errors in data circuits
Question 438. The oldest of the automatic switching system
Question 439. An exact reproduction of a document or picture provided at the receiving end.
Question 440. POCSAG stands for |
List of Practice Quizzes
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