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.

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IELTS Writing Task Chart for 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.

IELTS Writing Task Chart for 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 pie charts illustrate changes in the global market share of three operating systems, namely

Use synonyms

2, and

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3 , compared to the remaining categories over the period of 4 years, from 2012 to 2015.

Overall

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1 experienced substantial growth to become the dominant operating system by the end of the period,

whereas

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the remaining groups witnessed a dramatic decline. Meanwhile,

Use synonyms

2 and

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3 remained relatively stable despite minor fluctuations.

Initially

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, others held the largest portion of the market at 48% in 2012, but

this

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figure dropped consistently over the period, bottoming out at 15% in 2015.

In contrast

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Use synonyms

1 started at only 20% but expanded rapidly. Its share nearly doubled to 38% in 2013, before continuing an upward trend to peak at 52% in the final year. Regarding the remaining operating systems,

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2 showed the fewest fluctuations, maintaining a steady share of 17% in 2012 and 2013, before rising marginally to 18% for the final two years.

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initially

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accounted for 15%, fell to a low of 10% in 2013, and gradually recovered to finish at its original 15%.

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Sep 5, 2026

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Sentences: Add more complex sentences.

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Linking words: Don't use the same linking words: "initially".

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Vocabulary: Rephrase your introduction. Words match: 79%.

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Vocabulary: Replace the words os with synonyms.

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Vocabulary: Rephrase the word "illustrate" in your introduction.

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Vocabulary: The word "fluctuations" was used 2 times.

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5
Linking words
meeting the goal of 7 or more
1
Word repetition
meeting the goal of 3 or fewer
0
Grammar mistakes
detected issues

0123456789.0505

Overall Band Score

Coherence and Cohesion: 8.0

Logical structure

Single idea per paragraph

Introduction & conclusion present

Accurate linking words

Variety in linking words

Lexical resource: 6.0

Varied vocabulary

Accurate spelling & word formation

Grammatical Range: 6.0

Mix of complex & simple sentences

Clear and correct grammar

Task Achievement: 9.0

Complete response

Suitable writing tone

Appropriate word count

4 paragraphs

189 words

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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 unlimited use of cars may cause many problems. What are those problems? In order to reduce the problems, should we discourage people to use cars?

Wealthy countries should accept more refugees and provide them with basic assistance, such as food and housing. To what extent do you agree or disagree?

As computers can translate quickly and accurately with the development of technology, learning foreign languages is a waste of time. To what extent do you agree or disagree?

These days, many people have their own computer and telephone, so it is quite easy for them to do their job at home. Do advantages of working at home outweigh diadvantages?

Globalization is creating a world with a single culture and destroying national identity in the process. To what extent do you agree or disagree with this statement?