Communication Waves Inv. 4 Review

Front

What does 'analog' mean?

Back

Smooth and continuous data.

Front

What type of wave is a digital wave?

Back

A wave that represents data in discrete values, typically 0 and 1.

Front

What does 'AM' stand for in AM radio?

Back

Amplitude Modulation.

Front

What does 'digital' mean?

Back

Data expressed as single digits, usually 0 and 1.

Front

What is a pixel?

Back

One element of a digital picture.

Front

What is the difference between analog and digital signals?

Back

Analog signals are continuous, while digital signals are discrete.

Front

What is frequency modulation (FM)?

Back

A method of encoding information in a wave by varying its frequency.

Front

What is a wave?

Back

A disturbance that transfers energy through space or matter.

Front

What is the purpose of modulation in communication?

Back

To encode information onto a carrier wave for transmission.

Front

What is a radiowave?

Back

A type of electromagnetic wave used for communication.