Only Four Symbols Are Used in Data Flow Diagrams

question 107

Short Answer

Only four symbols are used in data flow diagrams.What are they?

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Definitions:

MBO Approach

Management by Objectives; a strategic management model that aims to improve the performance of an organization by clearly defining objectives that are agreed to by both management and employees.

Goals

Specific, measurable, achievable, relevant, and time-bound objectives that guide an individual's or organization's efforts.

Mystery Shoppers

Individuals employed covertly to evaluate customer service, product quality, and the overall environment of retail or service outlets.

Performance Appraisal

An evaluation of an employee's job performance against pre-established criteria.