Digital vs. Analog Signals

Front

What is an analog signal?

Back

An analog signal is a continuous signal that represents physical measurements. It can take any value within a range.

Front

What is a digital signal?

Back

A digital signal is a discrete signal that represents data in binary form (0s and 1s). It can only take specific values.

Front

Is music from a record an analog or digital signal?

Back

Analog

Front

Is a video game coded as analog or digital data?

Back

Digital

Front

Which type of signal can be easily corrected to remove noise?

Back

Digital

Front

What process converts analog signals to digital?

Back

Sampling

Front

What are the possible values in a digital code?

Back

Only set values.

Front

Give an example of an analog device.

Back

A vinyl record player.

Front

Give an example of a digital device.

Back

A computer or smartphone.

Front

What is one advantage of digital signals over analog signals?

Back

Digital signals can be easily stored and transmitted without degradation.