Quiz in Wire and Wireless Communications System
Question 321. It is the presence of one or more continuous, unwanted tones within the message channels, the tones are often caused by crosstalk or cross modulation between adjacent channels in a transmission system due to system nonlinearities.
Question 322. When the cluster size is reduced with a constant cell size, what happens to the total channel capacity?
Question 323. He invented the automatic line selector, which led to the automatic telephone system.
Question 324. The highest ranking office in the DDD network in term of size of the geographical area served and the trunk options available.
Question 325. Toll offices are connected to other toll offices with _____________.
Question 326. When the telephone set is in the ____________ state, a direct current from the central office (CO) flows through the transmitter and receiver of the handset.
Question 327. The simplest and most straightforward form of telephone service is called
Question 328. It allows customers to change to a different service and still keep the same phone number
Question 329. Component of a cellular telephone network that manages each of the radio channels at each site.
Question 330. A receiver capable of receiving several versions of the same signal with different arrival times and combining the received versions into a single signal with better quality.