What Is a Data Flow Diagram (DFD)

question 230

Multiple Choice

What is a data flow diagram (DFD) ?

• A) Illustrates the movement of information between external entities and the processes and data stores within the system.
• B) Software suites that automate systems analysis, design, and development.
• C) A formal, approved document that manages and controls the entire project.
• D) Involves graphically representing the processes that capture, manipulate, store, and distribute information between a system and its environment.

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Definitions:

Down Syndrome

A condition caused by an extra chromosome on the 21st pair and characterized by mental deficiency, a broad face, and slanting eyes.

Extra Chromosome

An atypical condition where an individual has more than the usual number of chromosomes, leading to genetic disorders such as Down syndrome.

Chromosomes

Structures located within the cell nucleus, composed of tightly coiled DNA and proteins, that carry genetic information crucial for inheritance, cell division, and individual development.

Alzheimer's Disease

A progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and personality changes.