Multiple choice technology platforms and products

What is Apple's mobile operating system called?

  1. OS X

  2. iOS

  3. ARM

  4. A4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

iOS is Apple's mobile operating system that runs on iPhone, iPad, and iPod Touch devices. OS X (now macOS) is for Mac computers, ARM is a processor architecture, and A4 is a specific mobile processor chip. Apple's mobile OS has been called iOS since its introduction in 2007, replacing the earlier iPhone OS name.

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