Digital vs. Analog Signals

Front

What is a digital signal?

Back

A digital signal is a type of signal that represents data as discrete values, typically in binary code (0s and 1s).

Front

What is an analog signal?

Back

An analog signal is a type of signal that represents data as continuous waves, which can vary in amplitude and frequency.

Front

How do computers store data?

Back

Computers store data using binary code, which consists of 0s and 1s.

Front

What type of signal is used in CDs and digital music files?

Back

Digital signal.

Front

What type of signal is used in vinyl records?

Back

Analog signal.

Front

Can digital signals be easily corrected for noise?

Back

Yes, digital signals can be easily corrected to remove noise.

Front

Can analog signals be transmitted as radio waves?

Back

Yes, analog signals can be transmitted as radio waves.

Front

Can digital signals be transmitted as radio waves?

Back

Yes, digital signals can also be transmitted as radio waves.

Front

What is an example of a device that uses digital signals?

Back

A computer, smartphone, or digital camera.

Front

What is an example of a device that uses analog signals?

Back

A traditional radio or vinyl record player.