The pie charts given compare four different graphs based on the world’s market proportion of the three computer acting techniques from 2012 to 2015.
Looking at the illustration, it is immediately evident that Operating system 1 (Os 1) recorded the highest figure in most year, whereas the opposite was true for Operating system 3 (Os 3). Additionally, most surveyed showed an overall dramatic change, except for Os 2 and.
In the year of 2012, we can witness that Others dominated the chart at approximately a half of the pie, Os 1 ranked second at one fifth of the ratio, Os 2 followed with about 17%, while Os 3 came last at 15%. Next, come to 2013, which can be called “a special year”, when Os 1 experienced an exponential growth and reach a peak of 38%, while Others had been push down to 2nd grade, which was roughly 3% higher than the champion. Finally, Os 2 and Os 3 nailed at the 3rd and 4th ranked, respectively.
In 2014, despite some fluctuations in the chart, Os 1 still boasted the largest proportion, moreover, Others, Os 2 and Os 3 maintained their grade which is similarly to 2013. To end up the chart, the year of 2015 had contained the Os 1 to be the largest, although some significant changes had been found, namely the Os 2 to be nailed at 2nd rank, the Os 3 and Others account for the same percentages at 15%.