Data Flow Diagrams

question 40

Multiple Choice

Data flow diagrams

• A)depict logical tasks that are being performed, but not who is performing them
• B)illustrate the relationship between processes, and the documents that flow between them and trigger activities
• C)represent relationships between key elements of the computer system
• D)describe in detail the logic of the process

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Definitions:

Dendrites

Branches of a neuron that receive and conduct nerve impulses toward the cell body. Compare with axon.

Axons

Long, threadlike extensions of neurons that transmit electrical impulses away from the neuron's cell body to other neurons, muscles, or glands.

Protoplasmic Protrusions

Extensions of the cell body, such as pseudopodia, used for movement and feeding in some unicellular organisms.

Scientific Theory

In science, a widely accepted explanation supported by a large body of observations and experiments. A scientific theory relates facts that appear unrelated; it predicts new facts and suggests new relationships. Compare with hypothesis.