Question 435 – Software-Engineering
December 9, 2023Question 436 – Software-Engineering
December 9, 2023Question 520 – Software-Engineering
A context model of a software system can be shown by drawing a
Correct Answer: A
Question 74 Explanation:
Explanation:
1. A data flow diagram (DFD) illustrates how data is processed by a system in terms of inputs and outputs. As its name indicates its focus is on the flow of information, where data comes from, where it goes and how it gets stored.
2. Context Diagram. A context diagram is a top level (also known as “Level 0”) data flow diagram. It only contains one process node (“Process 0”) that generalizes the function of the entire system in relationship to external entities.
1. A data flow diagram (DFD) illustrates how data is processed by a system in terms of inputs and outputs. As its name indicates its focus is on the flow of information, where data comes from, where it goes and how it gets stored.
2. Context Diagram. A context diagram is a top level (also known as “Level 0”) data flow diagram. It only contains one process node (“Process 0”) that generalizes the function of the entire system in relationship to external entities.
LEVEL-0 DFD
LEVEL-1 DFD
LEVEL-2 DFD
LEVEL-3 DFD
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