Practice Quiz in Digital and Data Communication Networks Part 25

This is the Online Practice Quiz in Digital and Data Communication Networks Part 25 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 XXV of the Online Practice Quiz

Quiz in Digital and Data Communication Networks Question 241. Most FDM telemetry system use A. AM B. FM C. SSB D. PSK Question 242. It is the process of gathering data on some particular phenomenon without the presence of human monitors A. Telemetry B. Telecommand C. Telecommunications D. Remote control Question 243. Multiplexing is the process of A. Several signal sources transmitting simultaneously to a receiver on common frequency B. Sending the same signal over multiple channels to multiple destinations C. Transmitting multiple signals over multiple channels D. Sending multiple signals simultaneously over a single channel Question 244. Transmitting data as serial binary word is called _______. A. digital communications B. quantizing C. PAM D. PCM Question 245. A classification of protocol, which is a discipline for a serial-by-bit information transfer over data communications channel. A. Message oriented B. Bit-oriented protocol C. Clock oriented protocol D. Asynchronous protocol Question 246. It is highly theoretical study of efficient use of bandwidth to propagate information through electronic communications system A. information capacity B. data communications C. information theory D. information technology Question 247. It is a function of the carrier-to-noise power ratio and the number of possible encoding conditions used A. probability of error B. error detection C. error control D. bit error rate Question 248. It comprises of either a single L600 mastergroup or up to three U600 mastergroups A. Message channel B. Radio channel C. Baseband channel D. Wide channel Question 249. It can be used to categorize the type of transmission A. Duty cycle B. Companding C. Coding efficiency D. Dynamic range Question 250. It represents the number of independent symbols that can be carried through a system in a given unit of time. A. information theory B. information capacity C. information technology D. digital communications

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