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Software development is a technically complex process which goes through various stages during the whole development procedure. The concept is termed as software (S / W) development life cycle (SDLC) and involves various stages of development (S / W). To successfully offer software development services, organizations should define a development methodology that suits the requirements of the project. Different projects may require different methodologies that before software development service providers must evaluate the project requirements first and then configure the strategy for the software development life cycle.
Most of the software development service providers have a pre-defined method that is implemented while developing a software. The process gets a little modified according to the project requirements but the essence of the project development procedure remains the same. The basic stages of software development are as stated below:
Requirements Specifications: The first and foremost step while developing software must be gathering the requirements of the project. The organizations must start with analyzing the feasibility and the requirements of the project. Some questions that must be clarified in this phase are:
What are client's expectations of the project?
What would the user want in the software?
Is the project technically feasible or not?
The above questions, along with many more, must be answered and properly justified before development development service providers move any further.
Design: This stage involves development of an outlay for developing the project with all the little details included. The project requirements are evaluated and an implementation strategy for achieving these requirements in the form of a software is formulated. The designing phase is divided into two categories ie system design and component design. The system design is design of the software as a whole where questions like how the individual components will interact with each other are answered. The component design phase, as the name suggests, deals with the planning for each individual component.
Implementation: The components are actually created in the implementation phase. The design layout created in the previous phase is implemented and converted into a machine language that the computer can understand and respond to. Programming languages such as C, C ++, C #, Asp.Net, PHP etc are used according to the project requirement to achieve the best possible results. The source code and database are created in the implementation phase. Accurate and effective designing of the software is essential for a successful implementation of the software.
Testing: The testing phase usually starts after the components are created but in some cases the software development service provider can start the testing along with the implementation phase. This method may require a little more effort and time but the end solution is void of any discrepancies or errors as they are detected and removed as soon as a component is developed.
Installation: The components of the software are combined together and the completed software is installed and implemented on a computer system. If all the previous sentences have been performed expertly then there will be no problem in the installation phase. A thorough testing is again recommended after installing the software to make sure that the end solution is working as desired.
Maintenance: It has been noticed that almost every software goes through changes and modification after it is completed. This may be due to some new requirements, overlooked features or the change in the business strategy. This requires constant evaluation and maintenance of the software.
Most of the software (S / W) development service providers follow the above described development methodology for creating softwares. It is the basic methodology of S / W development services. Once the software is completed and delivered successfully, the task of the service provider does not end. A professional S / W development company will offer maintenance services to insure a smooth and well functioning solution to their clients.