AM, FM, and PM are examples of ________ conversion.

A line has a signal-to-noise ratio of 999 and a bandwidth of 3000 kHz. What is the maximum data rate supported by this line?

We have a channel with 4-kHz bandwidth. If we want to send data at 100 kbps, what is the minimum SNR?

_______ data are continuous and take continuous values.

Data can flow only in one direction all of the times is called a ______ connection.

A simple sine wave can be represented by one single spike in the _____ domain.

In a _____________ communication, the media is dedicated.

Data can flow only in both direction all the times is called a _________ connection.

Baseband transmission of a digital signal is possible only if we have a ____ channel.

Assume a system uses five protocol layers. If the application program creates a message of 100 bytes and each layer (including the fifth and the first) adds a header of 10 bytes to the data unit, what is the efficiency (the ratio of application-layer bytes to the number of bytes transmitted) of the system?