The charts below illustrate the global market share of three computer operating systems (OS) compared to other systems from 2012 to 2015.Provide an overview of the information by identifying and describing the key details, and include comparisons where appropriate.

The supplied pie charts compare the global market distribution of three computer operating systems (OS), spanning from 2012 to 2015. Overall, OS1 exhibited an ascending pattern during the period, while this reverse was true for others, which gradually decline per year, although they were recorded as dominent systems at the beginning of the period. Notably, […]

The four pie charts illustrate the global market share of three types of computer OS and other systems between 2012 and 2015. In general, there was a upward trend in the use of OS 1, whereas the opposite was true for other systems. However, OS 2 and OS 3 merely fluctuated over the period. Looking […]