Analog Signal
Digital Signal
100

What type of signal changes smoothly and continuously over time?

Analog Signal

100

What type of data do digital signals use?

Binary (0s and 1s)

200

What do analog instruments usually measure?

Temperature, pressure, level
200

What is one advantage of digital systems over analog?

They can transmit multiple variables and are more accurate

300

What unit is commonly used to send analog current signals?

Milliamps (mA)

300

What is a common disadvantage of digital systems?

They are more complex and expensive

400

What is one main disadvantage of analog signals?

They can be affected by electrical noise

400

What is the main reason industries are moving to digital?

Easier integration, remote monitoring, and data analysis

500

Why can analog signals lose accuracy over long distances?

Because of signal degradation or interference

500

Why do companies upgrade from analog to digital systems?

To get more accurate and faster data