Communication Waves Inv. 4 Review

Front

What is a pixel?

Back

One element of a digital picture.

Front

What does FM stand for in FM radio?

Back

Frequency modulation.

Front

What type of wave is a digital wave?

Back

A wave that represents data in discrete values.

Front

Why are digital signals more reliable than analog signals?

Back

They have less interference over long distances.

Front

What does AM stand for in AM radio?

Back

Amplitude Modulation.

Front

What is the main difference between analog and digital signals?

Back

Analog signals are continuous, while digital signals are discrete.

Front

What is modulation in communication?

Back

The process of varying a carrier signal to transmit information.

Front

What is an example of a digital signal?

Back

A binary code representing data.

Front

What is the purpose of a transmitter in communication?

Back

To send signals over a distance.

Front

What is a wave in the context of communication?

Back

A disturbance that travels through space and matter, carrying energy.