Quiz in Wire and Wireless Communications System
Question 171. What is the advantage of electronic ringers?
Question 172. A cellular system is capable of coping with a handoffs once every 2 minutes. What is the maximum cell radius if the system must be capable of working with cars traveling at highway speed of 120 km/hr?
Question 173. Termination refers to
Question 174. It is a database that contains information about the identity of mobile equipment that prevents calls from stolen, unauthorized, or defective mobile stations.
Question 175. The central office detects a request for service from a telephone by
Question 176. This is the Nordic analog mobile radio telephone system originally used in Scandinavia
Question 177. Which exchange is used to connect between central offices when a direct trunk is not available?
Question 178. . In the telephone unit, what is produced when the balancing network in a hybrid circuit is intentionally unbalanced slightly so that small amount of transmitted signal is fed to the receiver of the talking phone?
Question 179. Which component in the telephone set has the primary function of compensating for the local loop length?
Question 180. Fold-over distortion or aliasing is