Which of the devices described below is an example of one that uses DIGITAL technology?

1. A record album stores sound information in physical grooves

2. A clock displays time information by the position of its "hands"

3. A cell phone converts sounds to numerical data and sends it

4. A thermometer shows temperature based on the height of a column of mercury

3. A cell phone converts sounds to numerical data and sends it

Explanation:

Digital technology are electronic device that has the ability to store data, process data and transfer the day as information. It allows large information to be stored up in a small device

A cell phone is an example of electronic device that has the ability to receive and process data.

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