REQUIREMENTS ENGINEERING
REQUIREMENTS GATHERING AND ANALYSIS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
DFD takes ____ view of a system
|
|
Input-process-output
|
|
|
Output-process-input
|
|
|
Process-input-output
|
|
|
Input-ouput-process
|
Explanation:
Detailed explanation-1: -A processing step may have input flows but no output flows. This situation is sometimes called a black hole [3].
Detailed explanation-2: -A data flow diagram shows the way information flows through a process or system. It includes data inputs and outputs, data stores, and the various subprocesses the data moves through. DFDs are built using standardized symbols and notation to describe various entities and their relationships.
Detailed explanation-3: -A data flow diagram (DFD) maps out the flow of information for any process or system. It uses defined symbols like rectangles, circles and arrows, plus short text labels, to show data inputs, outputs, storage points and the routes between each destination.
There is 1 question to complete.