User:Imsanthosh

A santhosh kumar reddy . A 2MB PCM(pulse code modulation) has

a) 32 channels b) 30 voice channels & 1 signalling channel. c) 31 voice channels & 1 signalling channel. d) 32 channels out of which 30 voice channels, 1 signalling channel, & 1 Synchronizatio channel. Ans: (c) 2. Time taken for 1 satellite hop in voice communication is

a) 1/2 second b) 1 seconds c) 4 seconds d) 2 seconds Ans: (a) 3. Max number of satellite hops allowed in voice communication is :

a) only one b) more han one c) two hops d) four hops