Front

The study of the transmission of information or messages through different systems is called

Back

communications

Front

The process of converting a message into a code. This keeps the message private to anyone who does not have the key to the code.

Back

encryption

Front

A signal that uses binary code (1s and 0s). It provides a constant and consistent signal.

Back

digital

Front

A signal that is a continuous wave, varying in strength or frequency (includes the human voice and FM radio).

Back

analog

Front

The original sender of the message, which could be a person or a machine

Back

source

Front

An electronic device that produces radio waves - or the device that sends the message.

Back

transmitter

Front

Device that captures radio signals to convert signals into a usable or readable form

Back

receiver

Front

A device, circuit, software program, or person that converts information from the source into another format to prepare for transmission.

Back

encoder

Front

A device that converts signal into sound, pictures, or readable text for the receiver.

Back

decoder

Front

Transmits communication signals over hair-thin strands of glass or plastic

Back

fiber optics