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State about the Activity Diagram
Activity diagrams show flow from one activity to other. It is an ongoing non atomic execution within a state machine. Activity finally results in some action that is made up of executable atomic computations which result in a change in state of system, or return of a value. It consists of activity states, action states, objects and transition states. The activity diagram for encryption of a message send via e-mail is shown as:
Figure: Activity diagram for E-mail encryption
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Explain forms based and graphical interface? Forms based and graphical interface: graphical user interface (GUI) is a kind of user interface which permits people to interact
difference between MIS and DSS
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
WHAT IS DSS? WRITE ITS REQUIREMENTS.
Implementation and SQL Applications
I have a homework assignment due today by midnight. I need help understanding databasse normalization and determining the type of form violation & how to fix the violation.
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Identification of concurrency Identification of concurrency: Dynamic model identifies concurrency. Two objects are said to be parallel (concurrent) if they can receive events a
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