What is the life cycle of system development?
Life cycle of system development is the method of organizing, using and disposing of new hardware and software in the computer industry. The life cycle of system development monitors the same formula as most new inventions: find the problem, suggest a solution, and then implement the solution. The term is catching for a large number of different methodologies and processes, all of which monitor the same basic formula.
There is no single process called life cycle of system development-based on the basis, there are many different methodologies and models that all fall within this period. The most basic model, often called the waterfall method, consists of seven steps. These steps are carried out in the designated order, each building to the last. Although it is one of the most complete models, it also makes it the slowest and most expensive. The methods of life cycle of development of other systems skip, combine the ranking of basic steps. This is generally done to accelerate the creative process or reduce development costs. In addition, there are models that use alternative computing styles and business structures.
The basic steps of the life cycle development of systems are divided into four areas. The first three, design, construction and implementation, are common parts of many new systems and inventions. Licen, liquidation, is relatively unusual. Most of these four areas have "subpeps" that make up the entire cycle.
Design is the first step in almost every model, because without an idea it is nothing to build. The construction step has the largest number of subdeples any of the areas. The opening requires the project to bring the project to the design team to start the process. System concepts and planning steps focus on internal accounting and feasibility studies for the petitioning company. The requirements focus on focusing on the needs of the user and the proposal is to create a software or hardware model.
phaseConstruction in the life cycle of software development is often one of the longest. During these crushing, hardware or software is actually built and tested. The first step, development is the real creation of a system and depending on the project it may take from days to years. The second step, testing includes Nevelopers using a product to generate feedback. Based on this feedback, the project will return to development or move to the next phase.
Implementation is when users actually use software or hardware. During the first subpep, also called implementation, the project is integrated into existing systems and uses users. Operations and maintenance include the second step. During this time, its target audience uses the project normally and performs regular maintenance in the system.
The last area, liquidation, has no compensation. During this phase, the project is pulled from users' systems. If hardware is concerned, it is usually liquidated. Software is migrated and existing data isConverted to a newer system that enters the implementation phase.