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Blizzard [7]
3 years ago
8

List four elements used in dfds, draw the symbols, and explain how they are used.

Chemistry
1 answer:
Stells [14]3 years ago
3 0

a. Processes: - Is a series of steps that manipulate data b. Data flows: - Describes the data and the information elements passing between external entities, processes and data stores c. Data stores: - A place to keep data for later use d. External entities:- The original source of data or the receiver of information

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