1. The operating system will be Android 5.1.

2. It was the biggest overhaul of the mobile operating system since it had launched in 2007.

3. Application updates that do not impact the operating system are level 1.

4. The operating system was released to manufacturing on August 1,2012.

5. Still, the operating system trends have been clear since 2012.

6. Hearst has been operating in the health care information industry since 1980.

7. The insurer also cut its operating income outlook for 2014.

8. Facebook, for its quarter ended in June, had an operating margin of 48%.

9. Apple changed the name of its mobile operating system to iOS with version 4.0 in June 2010.

10. It is scheduled to begin operating by 2022, but the department wants to push that back to 2039.

11. The company introduced the Windows 8 operating system in 2012.

12. He became Yahoo chief operating officer in 2012 and was dumped in January 2014.

13. The company will end extended support for the 12-year-old operating system on July 14.