This is the Online Practice Quiz in Digital and Data Communication Networks Part 27 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.
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Quiz in Digital and Data Communication Networks
Question 261. To a conventional narrowband receiver, a spread spectrum signal appears to be like
Question 262. It is the most prevalent encoding technique used for TDM signalsQuestion 263. It is the transmittal of digital signals between to or more points in a communication system.Question 264. It is simply the number of bits transmitted during one second and expressed in bits per secondQuestion 265. He is credited with inventing PCM in 1937Question 266. It is logically equivalent to making telephone call through the DDD network except no direct end-to-end connection is madeQuestion 267. A QAM modulator does not use _______.Question 268. If the active time of the binary pulse is less than 100% of the bit timeQuestion 269. It is a form of phase-division multiplexing where two data channels modulate the same carrier frequency that is shifted 90 degrees in phase.Question 270. The most common modulation system used for telegraphy is
List of Practice Quizzes
Practice Quiz in Digital and Data Communication Networks Part 27