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Problem
1. Explain why the use of a standard high-level language does not guarantee that software will be portable across a range of machines
2. Draw possible data flow diagram of system design for the following application. Part of the electronic mail system which presents a mail form to a user, accepts the completed form and sends it to the identified destination
3. Give the difference between restructuring and forward engineering
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system needs. It is developed to decrease requirement risks.
Q. Define External coupling? External coupling: A form of coupling in that a module has a dependency to other module external to the software being developed or to a particul
What are the common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsy
explain dfd
What is meant by software prototyping? Software prototyping is a process of producing a model for the software product. This is developed based on the recently known requiremen
Q. How Abstraction used in stepwise refinement? Abstraction:- Abstraction permits one to concentrate on a problem at some level of generalization without regard to irrelevant l
Q. What do you mean by Software Engineering? What is the use of Software Engineering? Ans) Software engineering is engineering for software development. A simple program can be
Distinguish between alpha testing and beta testing. Alpha test and Beta test The alpha test is prepared at the developer site. The software is used in a natural setting wi
name some software in which incremental process are used or possible to use it?
Functional testing is black-box type of testing geared to functional needs of an application. Test engineers *should* do functional testing.
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