A cordless telephone is an example of

• duplex arrangement

• Half arrangement

• simplex arrangement

Rate at which information can be carried through a communication channel depends on

• carrier frequency

• bandwidth

• transmission loss

Radio broadcast stations use .............. to transmit information to the home listener.

Noise is always necessary along with desired signal

• true

• false

.............. Is used to express noise in the receiver

• noise figure

• signal to noise ratio

• noise temperature

The function of transmitter block is to convert the electrical equivalent of the information to a suitable form

• True

• False

Wired communication uses electromagnetic spectrum to communicate from one point to another

• True

• False

in communication, pair of wires are used to carry voice signal from a microphone to a handset.

• True

• False

The visual information in the scene is converted to an electrical signal and then transmitted to home viewers

• true

• false

Facsimile is an example of duplex mode

• True

• false