Multiple choice general knowledge science & technology

Apple's iPhone uses

  1. iPhone OS

  2. Mac OS X

  3. Symbian

  4. BREW
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A Correct answer
Explanation

Apple's iPhone uses iPhone OS (which later became iOS), a specialized mobile operating system derived from macOS but optimized for touchscreen mobile devices. Mac OS X is for desktop computers, Symbian is Nokia's platform, and BREW is QUALCOMM's platform.

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