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System Analysis & Design | Assignment

Added on - 23 Mar 2020

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SYSTEM ANALYSIS AND DESIGN1Assignment[Student Name Here][Institution’s Name Here][Professor’s Name Here][Date Here]
SYSTEM ANALYSIS AND DESIGN2Table of ContentsIntroduction.............................................................................................................2Non-functional requirements.................................................................................2System qualities......................................................................................................2System Interface.....................................................................................................3User interface requirements....................................................................................4System constraints..................................................................................................4Cloud-based solutions.............................................................................................5Pros of cloud resources..........................................................................................5Cons of cloud computing.......................................................................................5System development life cycle (SDLC)..................................................................6Predictive approach................................................................................................6Advantages of the approach................................................................................7Disadvantages.....................................................................................................7Adaptive approach..................................................................................................7Advantages of adaptive SDLC............................................................................8Disadvantages.....................................................................................................8Headspace project recommendation......................................................................8Conclusion................................................................................................................9References..............................................................................................................10
SYSTEM ANALYSIS AND DESIGN3IntroductionVirtualization holds many answers for future systems which will require multiple resources atsingle instances in order to meet the needs of the users. Now, in today’s systems, therequirements of immediate and impromptu solutions are already being experienced because ofthe growth of the digital medium. In essence, the internet has increased the demands of the userswho desire versatile solutions based on their immediate needs. At the helm of virtualizationtechnologies is cloud computing which offers extended services and resources based onsubscription models. Through this models, resources such as storage, computational power andnetworks are offered at affordable prices[ CITATION Bay13 \l 1033 ]. Similarly, the case at hand(Headspace project) aims to increase the functionalities of its medical system so as to improveservice delivery methods. Furthermore, this project requires dynamic solutions that will adapt tothe needs of the patients for instance, when their assigned practitioners are absent. Now, thisreport analyses cloud computing and its suitability for the Headspace project based on itsoutlined requirements.Non-functional requirementsIn the project’s description, several objectives are outlined, amongst them being the ability toregulate access (system’s security) and data ownership. These objectives are critical, as the datastored in the system will be very sensitive as outlined by the patients themselves. Therefore,when these records are subjected to a public resource (the cloud) the ability to protect theirprivacy and security should be considered[ CITATION Kat11 \l 1033 ].System qualitiesIn general, the non-functional requirements will highlight the interaction between the users andthe system itself. Moreover, they will determine the performance of the system because the users
SYSTEM ANALYSIS AND DESIGN4will either be drawn towards or away from the application based on their suitability[ CITATIONTay00 \l 1033 ].Now, system qualities are a key component of non-functional requirements asthey define the attributes or characteristics of the system developed.System usability– the overall measure of the system’s practicality, an attribute that defines thesatisfactory levels of the user after engaging the system. A good system should be simple,interactive and versatile in its functionalities.Performance– the facilitation of the user’s actions determine the system performance. Its alsogauged by the system responsiveness.System reliability– the Headspace project will require a dependable and accountable systemhaving minimal technical glitches[ CITATION Fer15 \l 1033 ].Security– using encryption and authentication techniques, the cloud facility will be secured tooffer access and authorization to the verified members.System InterfaceUser interface defines the graphical elements that interact with the end user based on thedesigned APIs (application presentation interface). These elements should be interactive toengage and enhance the system’s usability. This objective can be met by the following qualities:Accessibility– the system should be easy to access across all computing platforms.Consistency– performance should never change regardless of the platform used.Aesthetic– finally, the system should appeal to the user, having good colour and imagequalities[CITATION Tec \l 1033 ].
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