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CompTIA A+ 220-901

Category - Mobile Devices

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What does a smartphone use to convert analog signals into digital signals?

Inverter
Converter
Amplifier
Digitizer

Explanation

Answer: D - A digitizer coverts analog signals into digital signals.

Digitizers are found on several mobile devices. For instance, the smartphone’s glass screen turns analog signals to digital signals that control the input of the phone.

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