Multiple choice general knowledge

Name the one which is NOT a smart phone Operating System?

  1. Android

  2. Mobilinux

  3. Simex

  4. Qtopia
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Simex is not a real smartphone operating system. Android, Mobilinux, and Qtopia are all actual mobile or smartphone operating systems that have existed.

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