1.

All local and long-distance connections are digital.(a) True(b) FalseI had been asked this question in class test.Asked question is from Pulse Code Modulation in portion Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics

Answer»

The correct ANSWER is (a) True

To explain: All modern telephone systems use digital transmission via PCM and TDM. The only place where analog signals are still used is in the local loop—the connection between a telephone company’s central office (CO) and the subscriber’s telephone, KNOWN as the customer PREMISES equipment (CPE). All local and long-distance CONNECTIONS are digital.


Discussion

No Comment Found

Related InterviewSolutions