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System Development Importance

   

Added on  2020-10-23

16 Pages4562 Words139 Views
System Development

Table of ContentsINTRODUCTION...........................................................................................................................3TASK 1............................................................................................................................................31.1 Different system life cycle models.......................................................................................31.2 Discuss the importance of following procedural/Staged life cycle in a system investigation.....................................................................................................................................................5TASK 2............................................................................................................................................62.1 discuss the components of feasibility report.........................................................................62.2 Importance of undertaking feasibility analysis before we start a project.............................7TASK 3............................................................................................................................................83.1 Undertake a system investigation to meet a business need...................................................83.2 Use an ERD to model the data view of the system and visualize the proposed system byuse of DFD..................................................................................................................................93.3 Documentation supporting system investigation................................................................113.4 Evaluation of system and user requirements addressed in the solution..............................12CONCLUSION..............................................................................................................................14REFERENCES..............................................................................................................................15

INTRODUCTIONSystem development is referred as the evolution of application which ensures properfunctioning of the system using a particular software in an organisation. This can be consideredas the development of new software which enables the application of set of programs forperforming all the manual work automatically (Dewsbury, Benjamin Jr & Wertheimer, 2014).This study is based on the development of system software in Greenwich rose Hotel (GRH)which allows proper functioning from taking order to availing their bills at the time of customerscheckout from hotel. This study will help in determining the appropriate and efficientperformance of the GRH hotel. System development in the hotel will help in eliminatingpaperwork and direct human language communication in the hotel which generates fewer errorsand help in improving the overall performance management of the hotel. This report will alsohelp in evaluating different models in developing a system. It will also make an understandingabout the importance of feasibility report while making a software for Hotel industry. This reportwill also help in understanding about the investigation of the system which help in identifyingappropriate tools and techniques in order to design effective system for the hotel.TASK 11.1 Different system life cycle modelsSystem development life cycle (SDLC) consists of various phases that help in developingan effective software which supports the overall productivity and growth of the organisations.These methodologies and adoption of different models helps in developing an appropriatesoftware in Greenwich Rose hotel that supports the effective management of operations in Hotel(Fancher & Rutherford, 2017). There are several models that help in developing a powerfulsoftware such models are described below:The Waterfall modelsIn 1970, this model was invented by Royce and this software design was initiallyintroduced in order to achieve the space craft mission. It was considered as one of the popularmodels among all which supports seven sequential stages for development of product's life cycle.These stages can be termed as determining the Analysing, designing, testing, coding andimplementation of the program. The implication of waterfall model in GRH helps in establishinga useful set of guidelines in order to develop a new software or program. It can be considered as

a powerful technique in order to document the entire process of improving the workingefficiency in the Hotel.The V Life Cycle modelThis model was introduced by Paul Rook in late 1980's which was mainly aimed atdetermining the connection between different stages that are described in waterfall model(Winter & Reed, 2015). It describes the successive stages of the previous model in which startsfrom analysis of the requirements and goes along with the detailed description of architectureand design of the developing a software for a specific purpose. There is a parallel structure ofThis model that moves upwards from the coding stage to distinctive V shaped stages whichincludes unit testing, integrate testing, system testing, acceptance testing etc. its main states aregenerally similar from previous model that consists of requirement, specification, high leveldesign, low level design, coding etc.Rapid Application Development model (RAD)The Rad model was developed by James Martin in the 1970s which helps in determiningthe incremental versions of the software. In this method components or functions are developedparallel in order to design the basic software according to the needs of the customer. Furthermodifications in the functionalities of the developed software then further resulted in newversions of the system development that ensures the additional features in an software whichneed to be developed for a specific purpose in Greenwich Rose Hotel (John Wiley &Sons.Goodey, 2016). In this method developments are generally time boxed and then such areassembled into a working prototype for the hotel in order to deliver the effective systemsoftware.The Spiral modelThe Spiral model is a Risk-driven software development method which helps in adoptingdifferent elements from all the previously implemented models such as incremental, waterfall,prototyping etc. this method was established by Berry Boehm who attempts to bring andassemble the most appropriate traits from other methods of SDLC phases. This process generallyconsists of series of cycles or iterations and each cycle mostly begins with the identification ofrequirements of existing stage and this also helps in analysing the factors of risk and constraintsin developing a software for Greenwich hotel.The Agile life cycle Model

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