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:

Inference Forms

Patterns or templates of reasoning that show the logical connection between premises and conclusion.

MP

An abbreviation that could refer to Modus Ponens, a logical form where from premises of the form "If P, then Q" and "P", it's concluded that "Q".

MT

Another term for Modus Tollens, it is the form of logical argument implying the inverse of a conclusion based on the negation of its consequence.

HS

An abbreviation often referring to Hypothetical Syllogism, a logical argument form using two conditional statements to deduce a conclusion.