In a Data Flow Diagram, Which Symbol Represents a Data

question 44

Multiple Choice

In a data flow diagram, which symbol represents a data store?

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Definitions:

Hypothalamus

A region of the brain that controls many bodily functions, including hunger, thirst, body temperature, and emotional activity.

Medulla

A part of the brainstem essential for controlling involuntary functions like breathing and heart rate.

Endocrine System

A network of glands in the body that secretes hormones directly into the circulatory system to regulate various bodily functions.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, including the brain, spinal cord, and peripheral nerves.