A Data Flow Diagram Is Used by Systems Professionals to Show

question 83

Multiple Choice

A Data Flow Diagram is used by systems professionals to show the logical design of a system.The advantage of the method is that it uses only four symbols.The symbol used to represent both sources and destinations of data is a(n) :

• A)Rectangle with rounded corners
• B)Open-ended rectangle
• C)Arrow
• D)Square with squared corners

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Definitions:

Retrieval Cues

Stimuli that aid the recall of information stored in the memory by making it easier to access.

Mnemonics

Memory aids, often involving patterns of letters, ideas, or associations, designed to assist in remembering information.

Metamemory Skills

Metamemory skills refer to one's knowledge and awareness of their own memory abilities and strategies that can aid memory performance.

Control of Attention

The ability to focus one's consciousness or awareness on a specific subject, task, or activity while ignoring irrelevant information.