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Distinguish between verification and validation.
Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation refers to a dissimilar set of activities that ensure that the software that has been built is traceable to the customer requirements. According to Boehm, Verification:" Are we building the product right?" Validation:" Are we building the right product?"
Beta testing is testing an application when development and testing are essentially done and final bugs and troubles require to be found before the final release. Beta testing is t
a simple text processing program with all essential functions (open and save text documents, insert and delete text, search for words). We assume that text read from a file is stor
Q. Advantage of software life cycle model? The advantage of this model is the wide range of options to accommodate the good features of outer life cycle models. It becomes equi
What is live variable A variable is live from its first to its last reference within a process.
APPLICATIONS SOFTWARE: As has been mentioned earlier, software may conveniently be divided into: systems software (i.e., programs designed to control the execution of other pr
What is the Evolution of software engineering Any application on computer runs by software. As computer technologies have changed tremendouslyinthe last five decades, consequen
Assuming that all the tables have been created as given in the relational schema, write SQL code to make the following changes in the structure of the tables: (i) Make the empl
What is software maintenance? Software maintenance is a set actions in which program are customized after it has been put into use. COCOMO model :- COnstructive COst MOd
This case-study describes the requirements of an airline travel agency who want to develop a website to allow customers to make online bookings. The outline requirements are descri
How do you develop a test plan and schedule? Describe bottom-up and top-down approaches. A test plan is contract among the testers and the project team explaining the role of t
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