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Describe the various elements of data design?
i. Data object - The data objects are identified and relationships among various data objects are represented using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are changed into data structures and data bases at the application level.
iii. Data warehouses - At the business level useful information is identified from various databases and the data warehouses are created
Explain in detail about software Maintenance. Software maintenance is an action in which program is modified after it has been put into use. Maintenance is termed as the
Assume 64 different op codes and 19-bit instruction word in a computer system. Two bits in the instruction are reserved to indicate the addressing mode. a. Draw a box style ske
Q. Static single variable model and static multivariable model? Static single variable model : Methods using this model utilize an equation to estimate the desired value such
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
select alife cycle model that you would follow during the devolpment of the easy travil singapore system. give an outline description of thise life cycle and justify your chice of
Explain in detail about Functional Modelling. This model explains the computations that take place within a system. This model is useful when the transformation from t
Question: (a) With the aid of a labeled diagram, briefly describe the phases of the "Unified software development life cycle" and state the output of each phase. (b) Describ
Q Who is a Software Engineer? What is his role in software development process? Ans) A software engineer is responsible for the implementation and design of a variety of softwa
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 definitions so that user
What are the different Rapid prototyping techniques? i. Dynamic high level language development. ii. Database programming. iii. Component and application assembly.
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