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NATURE AND TYPES OF SOFTARE PACKAGES:
Software packages are commercially supplied products which typically provide solutions to a particular range of software development or applications problems. Since they are developed for commercial sale in a competitive market for use by a variety of customers, a great amount of skill and effort is put into their development. Therefore, they are reliable, easy to use and in many instances, well documented. Ready-made 'Packaged' software is now becoming available for an increasing range of applications such as Office Automation Systems and Library Automation and Information Retrieval Operations. In this Unit, we shall restrict our discussion to software packages limited to library automation and information retrieval functions.
Library and. Information personnel are primarily concerned with software packages for text or information retrieval. In addition to special purpose retrieval packages, there are also a number of general purpose packages which offer some information retrieval functions. The different types of software can be identified as: (i). basic software, (ii) word processing software, (iii) database management systems (DBMS), (iv) text-retrieval packages, (v) software associated with online lea retrieval systems, and (vi) inhouse library keeping.
Q. Explain Iterative Enhancement model? This model incorporates modification in the software based on the analysis of the existing system. As well the complete documentation of
Q. Why does the software design improve when we use object-oriented concepts? Ans. The software design gets betters when we use object-oriented concepts because 1.Object-o
What is CASE? CASE tool stands for Computer Aided Software Engineering. Computer Aided Software Engineering tools helps software engineering manages and practitioners in every
What are the common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsystem
Q. Differentiate between ISO and CMM? Ans) The difference between CMM and ISO are as follows :- - ISO 9000 is awarded by an international standards body. Thus, ISO 9000 cert
explaination
What is software testing The testing process focuses on the logical internals of the software, ensuring that all statements have been tested, and on the functional externals, t
Q. What is Unit testing explain ? Unit testing: Unit testing is undertaken after a module has been coded and successfully reviewed. Unit testing (or module testing) is the te
four circumstances where incremental model is appropriate?
Define software process. Software process is explained as the structured set of activities that are needed to develop the software system.
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