This is the Online Practice Quiz in Wire and Wireless Communications System Part 17 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 XVII of the Online Practice Quiz
Quiz in Wire and Wireless Communications System
Question 161. How many different tones may be produced by a four-column DTMF keypad?
Question 162. A multiple access technique used in GSM cellular system.Question 163. On-hook current must be kept low so that the Question 164. The range (in miles) of a cellular CDMA system.Question 165. What kind of modulation is used in modems?Question 166. The voice frequency channel pass band isQuestion 167. What type of transmitter is most commonly used in a conventional telephone handset?Question 168. In digital multiplexing systems, bit interleaving is used inQuestion 169. Which of the following devices increase the battery voltage on a loop and extends its signaling range?Question 170. A mobile telephone service using trunked channels but not cellular nature