INTRODUCTION TO SOFTWARE ENGINEERING
OVERVIEW OF SOFTWARE ENGINEERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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External Entities may be a:
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source of input data only
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source of input data or destination of results
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destination of results only
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repository of data
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Explanation:
Detailed explanation-1: -The rules associated with external entities are: Each external entity must communicate with the system in some way, thus there is always a data-flow between an external entity and a process within the system. External entities may provide and receive data from a number of processes.
Detailed explanation-2: -An external entity sends or receives data from the system. It is represented by a rectangle.
There is 1 question to complete.