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2. Lean IT - Wikipedia

   en.wikipedia.org/wiki/Lean_IT

   Deployment of lean IT has been predominantly limited to application development and maintenance (ADM). This focus reflects the cost of ADM. [8] Despite a trend towards increased ADM outsourcing to lower-wage economies, [38] the cost of developing and maintaining applications can still consume more than half of the total IT budget. [3]

3. Application lifecycle management - Wikipedia

   en.wikipedia.org/wiki/Application_lifecycle...

   Application lifecycle management (ALM) is the product lifecycle management (governance, development, and maintenance) of computer programs. It encompasses requirements management, software architecture, computer programming, software testing, software maintenance, change management, continuous integration, project management, and release ...

4. Mobile app development - Wikipedia

   en.wikipedia.org/wiki/Mobile_app_development

   In order to facilitate the development of applications for mobile devices, and the consistency thereof, various approaches have been taken. Most companies that ship a product (e.g. Apple, iPod/iPhone/iPad) provide an official software development kit (SDK). They may also opt to provide some form of Testing and/or Quality Assurance (QA).

5. Systems development life cycle - Wikipedia

   en.wikipedia.org/wiki/Systems_development_life_cycle

   A systems development life cycle is composed of distinct work phases that are used by systems engineers and systems developers to deliver information systems.Like anything that is manufactured on an assembly line, an SDLC aims to produce high-quality systems that meet or exceed expectations, based on requirements, by delivering systems within scheduled time frames and cost estimates. [3]

6. Software maintenance - Wikipedia

   en.wikipedia.org/wiki/Software_maintenance

   In the early 1970s, companies began to separate out software maintenance with its own team of engineers to free up software development teams from support tasks. [1] In 1972, R. G. Canning published "The Maintenance 'Iceberg '", in which he contended that software maintenance was an extension of software development with an additional input: the existing system. [1]

7. Software - Wikipedia

   en.wikipedia.org/wiki/Software

   Over the lifetime of the product, software maintenance is estimated to comprise 75 percent or more of the total development cost. [ 36 ] [ 37 ] Completing a software project involves various forms of expertise, not just in software programmers but also testing, documentation writing, project management , graphic design , user experience , user ...