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Describe about the Environmental model
It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if software is developed for a college, then college would be part of University. If it's developed for University, University will be part of national educational system. Hence, when model of the system is made these external interfaces are defined. These interfaces reflect system's relationship with external universe (known as environment). Environment of a college system is demonstrated in figure below.
Write down the Data dictionary for the data item "Telephone Number". Names: Telephone number Aliases: none Where to use /How to use: assess against set-up Explanation
Determine in detail about Waterfall model Waterfall model provides a sequential and systematic approach to software development and is better than build and fix approach. Howev
Write down the functional requirement for a Library management system. The user should capable to search either all of the primary set of databases or select a subset of dat
how 94 calculated
Present an evaluation of the current performance of your chosen company using ROCE, RI, EVA and SVA. (All figures employed should be up to date , clearly explained / justified an
Elucidate elementary process. Software applications are a combination of various elementary processes. Various elementary processes come together to form an application. Ele
Q. Define Object and class associations? Object/class associations:- Objects/classes interact with each other. Multiplicity defines how many instances of one object/class can
This method categorizes the inputs and outputs of a class in order to test them separately. This decreases the number of test cases that have to be designed. To verify the diffe
What is Change management tools? Change management is a process in which it can be modelled and integrated with a version management system. Change management tools Fo
Q. A program is to be developed to simulate the operations of a scientific calculator. List the facilities to be provided by this calculator. Analyze this using DFD? Level 0
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