What type of signal changes smoothly and continuously over time?
Analog Signal
What type of data do digital signals use?
Binary (0s and 1s)
What do analog instruments usually measure?
What is one advantage of digital systems over analog?
They can transmit multiple variables and are more accurate
What unit is commonly used to send analog current signals?
Milliamps (mA)
What is a common disadvantage of digital systems?
They are more complex and expensive
What is one main disadvantage of analog signals?
They can be affected by electrical noise
What is the main reason industries are moving to digital?
Easier integration, remote monitoring, and data analysis
Why can analog signals lose accuracy over long distances?
Because of signal degradation or interference
Why do companies upgrade from analog to digital systems?
To get more accurate and faster data