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Write definition of DFD?
Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
What are the types of software maintenance? Corrective maintenance - Means the maintenance for correcting the software faults. Adaptive maintenance - Means maintenance f
What is Entity It is most elementary thing of an organisation about which data has to be maintained. Each entity has unique identity. It's represented by rectangular box with
schema tools
Explain about rapid prototyping techniques. Executable specification languages. Used to living the system specification. It is expressed in a formal, mathematical la
what are the basic advantages of using interrput-initiated data transfer over transfer under progrm control without an interrput
What are the advantages of Software maintenance Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of
What is SCI? Software Configuration Item is information that is carried as part of the software engineering process.
Differentiate between structured analysis and structured design. The aim of structured analysis is to transform the textual explanation of a problem into a graphic model. Duri
Indexing: The CDS/ISIS package indexes all fields selected for indexing into a single file. This file is known as 'inverted file'. There are indexing techniques for building i
what is the advantage of Iterative Enhancement Model in developing a system?
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