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context model is used to show the external view of the system

e.g

In a ATM case

ATM is a main system

its external views is

UI(user interface)

Account system(Managing acount detail)

database system

etcc.............................................................

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where is the model ? this is just a short description
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Context model are used to illustrate the operational context of a system .

They show that what lies outside the system boundaries.

Context model sometimes called enterprise architecture model , high level design model , conceptual model.

Moreover , context model is used to show the external view of the system.

Example : In ATM is a main system . And its external view is UI(User Interface)

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Q: What is a context model in software engineering?
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