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Find the minimum line speed to transmit two 4 kHz PCM telephone signals.

A multiplexer combines four 100 kbps channels using 2- bits per time slot. Find the bit rate of the link.

Find the usable number of RF carriers in standard GSM 900 communication system.

The transmission data rate of the E1 link?

A 5-bit PCM-TDM system multiplexes 30 voice--band channels each with a BW of 5 kHz. Find the transmission line speed.

Baud rate of a EIA232 serial interface is 9600 bauds with 2 signal transition occurs per bit. Find the bit rate.

In ......... transmission, we require only one communication channel rather than multiple channels to transmit data between two entries.

• Serial

• Parallel

• None of them

• Both

______ sets the limit on the maximum capacity of a channel with a given noise level.

• Nyquist theorem

• Shannon-Hartley theorem

• Hartley theorem

• All

SNR stands for

• Shannon to noise ratio

• Shannon to noise relation

• Signal to noise relation

• Signal to noise ratio

We can not send a digital signal directly to a channel when it is a ................ channel.

• Baseband

• Bandpass

• Lowpass

• Bypass