Which of the Following Data Flow Diagram Symbols Is Represented

question 21

Multiple Choice

Which of the following data flow diagram symbols is represented by two parallel lines?

• A)data flow symbol
• B)external entity symbol
• C)sink symbol
• D)data store symbol

---

Definitions:

Informants

Individuals who provide valuable information or insights, often confidentially, to researchers, journalists, or law enforcement agencies.

Subjects

Entities or individuals that are being studied, observed, or used as participants in an experiment.

Social Science Research

The study of society and social relationships through various methods of empirical investigation and critical analysis to develop a body of knowledge about social order and social change.

Scientific Theories

Systematically organized knowledge applicable in a relatively wide variety of circumstances, especially a system of assumptions, accepted principles, and rules of procedure to analyze, predict, or explain the natural phenomena.