What is Saas (Software-as-a-Service)? 

Software-as-a-Service (SaaS) is a cloud-based software delivery model where applications are hosted and provided to users over the internet. Instead of users installing and maintaining software on their devices, SaaS allows access to applications directly via a web browser, typically through a subscription-based model.  

It offers scalability, accessibility from anywhere with internet connectivity, and eliminates the need for users to manage software updates or infrastructure, as these responsibilities lie with the SaaS provider. 

How is Software as a Service (SaaS) different from Platform-as-a-Service (PaaS) and Infrastructure-as-a-Service (IaaS)? 

While all three are cloud computing models that use the internet to deliver some or all of its services, the main difference lies in which services a provider manages and what a company manages. In the case of Software-as-a-Service (SaaS), a third-party provider manages all services that are part of the system. 

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