In the last sentence, the underlined word one refers to:

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Q834176 Inglês
Computer Science is the study of computing, programming, and computation in correspondence with computer systems. This field of study utilizes theories on how computers work to design, test, and analyze concepts. Computer science usually has a stronger mathematical foundation than a scientific one and on some occasions may not focus directly on computers and their systems. 
In the last sentence, the underlined word one refers to:
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