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).

Front

Is music playing from a record an analog or digital signal?

Back

Analog

Front

How do computer hard drives and USB drives store data?

Back

Binary code

Front

What values can numbers in an analog code have?

Back

Any values.

Front

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

Back

Digital signals.

Front

Is a video game coded as analog or digital data?

Back

Digital

Front

What is binary code?

Back

Binary code is a system of representing text or computer processor instructions using the binary number system, which uses only two symbols: 0 and 1.

Front

What is an example of an analog device?

Back

A vinyl record player.

Front

What is an example of a digital device?

Back

A smartphone.