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Q. Differentiate between structured analysis and structured design?
Ans. The aim of structured examination is to transform the textual description of a problem into a graphic model. Throughout structured analysis functional decomposition of the system takes place that is each function that the system performs is analyzed and hierarchically decomposed into more detailed functions.
On the other side during structured design all functions identified during structured analysis are mapped to a module structure. This module structures is as well called software architecture for the given problem and it can be directly implemented using a conventional programming language.
The basis of structured analysis is to capture the detailed structure of the system as perceived by the user whereas the purpose of structured design is to define the structure of the solution that is appropriate for implementation in some programming language.
Draw the Context level DFD for the Safe home Software. User commands Alarm type Telephone Number tone Sensor status Display Information
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what is the advantage of Iterative Enhancement Model in developing a system?
Describe the advantages of proper inheritance. The biggest advantages of proper inheritance are: a.) substitutability and b.) extensibility.
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This strategy includes testing the classes as they are integrated into the system. The traditional approach would test every operation separately as they are executed into a class.
State Procedural abstraction. A Procedural abstraction is a named sequence of instructions that has a specific and limited function. Eg: Open Walk to the door, reach out &
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