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USE OF SOFTWARE PACKAGE:
The concept of applications software and were told about software packages and their types. In other words, the discussion implies that instead of writing your own software package, or commissioning some one to do this job for you, it is sensible to select an already existing package, which meets most of your requirements. In this section, let us try to understand as to why we should use a commercial package. Software packages which fire available for purchase or lease are used by a number of organisations, all of whom are the clients of the same software supplier.
Case Study: LHM is a London based privately owned hospital which provides healthcare to its patients. The hospital uses in-house software to manage and service its patients whi
What are the two levels of testing? i. Component testing Individual works are tested. Tests are derived from developer's experience. ii. System Testing The group o
What are the benefits of prototyping? i. Prototype serves as a basis for deriving system specification. ii. Design quality can be improved. iii. System can be maintained
Enginnering the product Because of complexity involved in software development, engineering approach is being used in software design. Use of engineering approach in area of re
Explain the software life cycle model that incorporates risk factor. The problem with traditional software process models is that they do not deal adequately with the uncertai
What is Top-Down Strategy? Ans) Top down integration is basically an approach where modules are produced and tested starting at the top level of the programming hierarchy and re
State Entity /Relationship diagram. ERD depicts relationships among data objects. The ERD is the notation that is used to conduct the data modeling activity. The primary
List the principles of a software design. i. The design process should not suffer from "tunnel vision". ii. The design should be traceable to the analysis model. iii. The
What is Program Control Instruction A program control type of instruction, when implemented, may change the address value in the program counter and cause the flow of control t
Software configuration management is an umbrella activity which is applied by the software procedure. SCM identifies controls, audits and reports modifications that invariably occ
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