Digital signal generation G12

What is the difference between analogue and digital data?

• Analogue is continuous data, whereas digital signals have two values, 0 and 1.

• Analogue has two values 0 and 1, whereas digital is continuous data.

What is a signal?

• is a physical information that represents quantity

• is a chemical quantity that represents information

• is a physical quantity that represents information

Thermometer represents

• analog signal

• digital signal

• both answers are correct

pinMode(pin#,MODE); is a correct arduino syntax

• True

• False

Delay (1000) is slower than delay (1500)

• True

• False

Analogue signals can vary in amplitude or frequency

• True

• False

which device represents digital signal

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