Author Question: A supplier of auto parts to your company would be represented on a data-flow diagram as a: A) ... (Read 157 times)

nramada · **on:** Jul 7, 2018

A supplier of auto parts to your company would be represented on a data-flow diagram as a:

A) process.
B) source.
C) data flow.
D) data store.
E) relationship.

Question 2

Conceptual data modeling is typically done in parallel with other requirements analysis and structuring steps during:

A) systems planning and selection.
B) systems design.
C) systems analysis.
D) systems implementation and operation.
E) systems evaluation.

manuelcastillo · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

B
Explanation: B) A supplier is considered a source. This is based in part, that a source is considered an external entity.
CL

Answer to Question 2

C
Explanation: C) Data modeling is typically done at the same time as other requirements structuring steps. Many systems developers believe that a data model is the most important part of the information system requirements.
CL