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Explain about the Spiral Model
This model can be considered as the model that combines the strengths of various other models. Conventional software development processes don't take uncertainties into account. Vital software projects have failed due to unforeseen risks. Other models view the software process asa linear activity while this model considers it as a spiral process. Thesis made by representing iterative development cycle as an expanding spiral.
What is a vertical microinstruction? Ans) A vertical microinstruction is a microinstruction that states one of a sequence of operations required to carry out a machine language
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Q. What is Data Dictionary? Ans Data dictionary is a stockroom of data giving information about data. It is a list of terms as well as their definition for all data items a
What does it mean by software re-engineering ?
Why Software maintenance is require Software maintenance is done due to the below factors. i) To rectify the errors which are encountered during the operation of software.
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List four reasons why it is difficult to improve software process. It is difficult to improve software process due to following reasons: 1. Lack of knowledge 2. Not eno
Discuss some of the problems that are faced during maintenance of software. The problems are: - Often another person or group of persons working over the years in isolat
Draw ontext diagram
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