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Mr. Dubey • 51.43K Points
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Q.) In Data reduction

(A) Here data-flow diagram show, how data is processed at different stages in the system.
(B) It registers all/ selected activities of a computer system.
(C) Technique used to transform raw data into a more useful form.
(D) Data is shifted to modern data base management system.
Correct answer : Option (C) - Technique used to transform raw data into a more useful form.

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