Which of the following cloud computing models can be used to replace desktop based applications and programs with cloud based options?
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Answer Description
Software as a Service (SaaS) is a cloud model that replaces locally used applications and programs with a cloud based, centrally hosted equivalent. An example of this is using Microsoft Office 365's web based email and calendar solutions instead of installing the Outlook program locally. Typically SaaS applications are served as web solutions compatible with any modern browser.
Wikipedia
Software as a service (SaaS ) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. SaaS is also known as on-demand software, web-based software, or web-hosted software.SaaS is a business model specific to cloud computing, along with infrastructure as a service (IaaS) and platform as a service (PaaS).SaaS apps are typically accessed by users of a web browser (a thin client). SaaS became a common delivery model for many business applications, including office software, messaging software, payroll processing software, DBMS software, management software, CAD software, development software, gamification, virtualization, accounting, collaboration, customer relationship management (CRM), management information systems (MIS), enterprise resource planning (ERP), invoicing, field service management, human resource management (HRM), talent acquisition, learning management systems, content management (CM), geographic information systems (GIS), and service desk management.
SaaS has been incorporated into the strategies of nearly all enterprise software companies.
Software_as_a_service - Wikipedia, the free encyclopedia 
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