Analog versus Digital 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 as a sequence of separate values, typically in binary form (1s and 0s).

Front

Give an example of an analog signal.

Back

Mercury Thermometer is an example of an analog signal.

Front

What type of signal is continuous?

Back

Analog signals are continuous.

Front

What type of signal is represented by 1s and 0s?

Back

Digital signals are represented by 1s and 0s.

Front

What does 'binary code' refer to?

Back

Binary code refers to the system of representing data using two symbols, typically 0 and 1.

Front

Is the following statement true or false? 'Analog signals can vary smoothly.'

Back

True.

Front

What is the main difference between analog and digital signals?

Back

The main difference is that analog signals are continuous, while digital signals are discrete.

Front

What does 'smooth and continuous data' refer to?

Back

It refers to analog signals.

Front

Can you name a device that uses digital signals?

Back

A computer uses digital signals.