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 using 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 computer hard drives and USB drives store data?

Back

They store data using binary code.

Front

What process converts analog signals to digital signals?

Back

The process is called sampling.

Front

Which type(s) of signal(s) can be transmitted as radio waves?

Back

Both analog and digital signals can be transmitted as radio waves.

Front

Is a video game coded as analog or digital data?

Back

A video game is coded as digital data.

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 the main advantage of digital signals over analog signals?

Back

Digital signals are less susceptible to noise and interference, making them more reliable for data transmission.

Front

What is an example of an analog device?

Back

An example of an analog device is a vinyl record player.

Front

What is an example of a digital device?

Back

An example of a digital device is a smartphone.