What is the function of a digitizer in a modern smart phone?

  • Translates touches on a device's screen into computer readable input
  • Used by the headphone jack to accept input from headphones with buttons, typically used to pause music or change the system volume
  • Converts digital wireless signals into analog for WiFi use
  • Allows mobile devices to support analog printing devices

CompTIA A+ 220-1001
  • Mobile Devices
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  • Networking
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  • Hardware and Network Troubleshooting