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Define Data Flow Diagram.
A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output.
The basic structure of a data flow diagram, also known as a data flow graph or a bubble chart.
What is the advantage of using prototype software development model instead of waterfall model?
What is Usability? Ans) "Usability" means simple of use; the simple with which a user can learn to control, prepare inputs for, and intended the outputs of a software product.
A walk-through is an informal meeting for informational purposes or evaluation.
INMAGIC Plus: INMAGIC Plus is a microcomputer- based software package designed to build, maintain and use textual databases including bibliographic databases. As a generalised
Equivalence class testing Equivalence class testing is based on partitioning the input domain of a program into a number of equivalence classes so that the test of a representa
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.
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
What are the various types of coupling? i. Data coupling - The data coupling is likely by parameter passing or data interaction. ii. Control coupling - The modules share c
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
What are the types of Software system requirements ? Functional requirements: Services the system should be required. Non-functional requirements: Constraints on the servi
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