Below are the answers key for the Multiple Choice Questions in Digital and Data Communication Networks – MCQs Part 4.
151. the nature of the modulating signal
152. Transparent
153. DPSK
154. maximum capacity of a channel with a given noise level
155. Antipodal signaling
156. FET switches
157. All of these
158. Robert Metcalfe and David Boggs
159. Baseband
160. Occupies the frequency range from 60 to 108 kHz
161. a telephone
162. Datagram
163. baseband
164. parallel is too expensive
165. Cable TV system
166. Trellis Code Modulation
167. Selection
168. Companding
169. fed in at a GTE
170. Frame time
171. noise power density
172. Line control
173. Quantization error
174. the large bandwidths that are required for it
175. Transmission one
176. Digital companding
177. binary 1 and binary 0
178. Biphase – M
179. with a monostable multivibrator
180. Data
181. Bipolar
182. improve the efficiency of data transfer
183. Digital line encoding
184. noise immunity
185. Any of these
186. Coding
187. Epoch
188. XOR
189. Codec
190. computer data
191. baud rate
192. Balanced modulators
193. Aperture distortion
194. bits per second or bps
195. fiber – optic cable
196. interconnects data sets and the transmission circuits
197. Bearer
198. asynchronous
199. natural sampling
200. Digital signals to analog and vice-versa
Online Questions and Answers Series
Following is the list of practice exam test questions in this brand new series:
Complete List of MCQs in Communications Engineering per topic
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