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Q. Explain the concept of Top down design?
Top down design: A top down design approach begins by identifying the major modules of the system decomposing them into their lower level modules and iterating until the desired level of details is achieved. This is step-by-step refinement that starting from an abstract design in each step the design is refined to a more concrete level until we reach a level where no more refinement is needed and the design can be implemented directly.
What are the elements of Computer based Systems? Software: Data structures, Computer programs, & related document Hardware: Electronic devices, inter connectivity devices, E
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system requirements. It is developed to reduce requir
Define Fan-in and Fan-out Fan-out: A measure of the number of modules which are directly maintained by another module. Fan-in: Indicates that how many modules directly main
System evolution of life cycle process The lifetime of verge systems is too long. They must evolve to meet change requests. The evolution may be expensive. Existing sy
What does Data abstraction contains? A Data abstraction is a named collection of data that describes a data object Eg: door Attributes: door type, Opening mechanism, Swing d
A group process for generating original and diverse ideas.
IMPORTANT ISSUES SRS MUST ADRESS
What is software re-engineering? No functionality is added to the system. Rather than, the system is modified to compose it easier to understand and change. System re-engineeri
Define Data Dictionary. The data dictionary can be explained as an organized collection of all the data elements of the system with precise and rigorous explanations so that us
name some software in which incremental process are used or possible to use it?
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