This is the Online Practice Quiz in Digital and Data Communication Networks Part 28 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 XXVIII of the Online Practice Quiz
Quiz in Digital and Data Communication Networks
Question 271. Which of the following is correct?
Question 272. What is the relationship of bit rate and baud in QPSK and 8-PSK?Question 273. For a single-channel PCM system with a sample rate of 6000 samples per second and a seven-bit compressed PCM code, what is the line speed?Question 274. The code which provides for parity checks is Question 275. The data rate for IEEE 802.11b is _____.Question 276. Companding is usedQuestion 277. It is the only digitally encoded modulation technique that is commonly used for digital transmissionQuestion 278. Transmissions from multiple sources occur in the same facility but not at the same timeQuestion 279. It is the ratio of the largest possible magnitude to the smallest possible magnitude that can be decoded by the digital-to-analog converter in the receiverQuestion 280. In order to reduce quantizing noise, one must