The pie charts presented give information about the global market distribution of three different operating systems along with other operations in the period of four years from 2012 to 2015.
Throughout the period, OS1 maintained a dominant position, whereas other operating systems showed significant decline. In contrast, Os2 expressed a slight increase, while os3 fluctuated.
A significant change throughout four years is the exchange of os1 and other operating systems. While Os 1 was seen as the fastest rise operating system with an increase from 20% to 52%, other operating systems with the highest proposition in 2012 decreased from 48% to 15% throughout four years.
In contrast, os2 and os3 showed slight increase and fluctuation, respectively. Os 2 is the computer operating system, which had slight grow with 1% from 17% to 18%, differentiating between Os 2 and Os 3 was the fluctuation, Os 3 shaped decline from 15% to 10% on one year from 2012 to 2013, and stable increase in next two years with 15% in 2025