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Band 5+: The charts below show the global market ratio of the three computer operating systems compared to others from 2012 to 2015.

Image for topic: The charts below show the global market ratio of the three computer operating systems compared to others from 2012 to 2015.
Our system will evaluate the answer based on this AI-generated description.
The image presents four pie charts depicting data from the years 2012 to 2015: In 2012, data percentages are 48% for Os 3, 20% for Others, 17% for Os 2, and 15% for Os 1; In 2013, figures are 35% for Os 3, 38% for Others, 17% for Os 1, and 10% for Os 2; In 2014, the distribution is 23% for Os 3, 47% for Others, 18% for Os 1, and 12% for Os 2; In 2015, percentages show 15% for Os 3, 52% for Others, 18% for Os 1, and 15% for Os 2.
Given the complexity of the image, the above description may not be entirely accurate.
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Note: Both the topic and the answer were created by one of our users.

The pie chart shows the changes in the three computer operating systems between 2012 and 2015.

Overall , while the percentage of OS-1 operating systems saw a noticeable increase by more than double throughout the period, that of others system experienced a dramatic decrease by almost threefold.It’s also true that, there was a period of stability in the OS-2 as well as OS-3 operating systems share.

The percentage of OS 1 started at 20% in 2012 and this was followed by a considerable rise to 38% in the next year.While the other systems proportion was 48% in 2012, after which it saw a dramatic decline to 35% in 2013. After rising noticeably to 38% in 2013, the proportion of OS 1 systems rose further to 47%. the percentage of OS1 operation systems increased dramatically in the final year, reaching 52%.

The proportion of OS3 operation system started at 15% in 2012 , a figure that then dropped slightly to 10% in 2013. The figure of OS2 operation systems showed a remain stable in 2012 to 2013. The percentage of OS3 rose slightly from 2013 and 2015 reaching 15%. The share of OS2 operation systems saw a minimal increase to 18% and this trend showed a period of stability from 2013 to 2015.

Word Count: 212

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Overall Band Score

5.5
(+/- 0.5)
Vocabulary Complexity:
B1 - Intermediate
Using more sophisticated words could be beneficial.
Grammar Mistakes: N/A
Vocabulary Repetition:
systems: 8
percentage: 4
operation: 4
operating: 3
period: 3
proportion: 3
Try using synonyms for the above words

Task Response

6
The report adequately addresses the task by summarizing the main trends shown in the charts. However, it could benefit from a more precise and detailed analysis of the data.

Coherence & Cohesion

5
The report's organization and flow could be improved. Some sentences are unclear and lack logical connections, affecting the overall coherence. The grammar errors further detract from the clarity and cohesion.

Lexical Resource

6
The report uses a sufficient range of vocabulary, but some word choices could be more precise and sophisticated. More varied sentence structures would enhance the lexical resource score.

Grammatical Range & Accuracy

5
The report contains several grammatical errors that affect the overall clarity and accuracy. Improving grammatical accuracy is crucial for a higher score.

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The charts below show the global market ratio of the three computer operating systems compared to others from 2012 to 2015.

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