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.

• option d is correct
• 11 years agoHelpfull: Yes(7) No(2)
• d is correct bcoz there r 32 channels in 1PCM out of which 30 r voice ch. and remaining 2 are used fr signalling and synchronisation
• 10 years agoHelpfull: Yes(3) No(0)
• c is ans.
• 7 years agoHelpfull: Yes(1) No(0)
• option a is correct
  30 voice channel,1 signal channel
  1 synchronization channel
• 11 years agoHelpfull: Yes(0) No(4)
• 31 voice chaneels and 1 signaling channel
  
• 10 years agoHelpfull: Yes(0) No(0)
• d is correct ans
  
• 9 years agoHelpfull: Yes(0) No(0)
• (c) is the correct answer ,as total no. of channel is 32 i.e 31 voice channel & 1 signalling channel
• 9 years agoHelpfull: Yes(0) No(0)
• option d is correct
• 4 years agoHelpfull: Yes(0) No(0)