What does the acronym SaaS stand for?

The acronym SaaS stands for Software as a Service. This model allows users to access software applications over the internet, rather than having to install and maintain the software on their local machines. Users typically pay for the software on a subscription basis, which provides them with the benefit of automatic updates, scalability, and accessibility from any device with internet connectivity.

Software as a Service represents a shift from traditional software distribution models, where users would purchase a license and install the software locally. With SaaS, the software is hosted on cloud servers managed by the service provider, which alleviates users from the burden of hardware maintenance and software updates.

In contrast, the other options focus on different aspects of computing but do not define the SaaS model. System as a Service, Storage as a Service, and Server as a Service represent other service models in the cloud computing paradigm but do not encapsulate the essence of SaaS, which is primarily centered around delivering software applications online.