CIS 2200 Ch 10: Software in Flux
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15 Terms
Cloud Computing
Delivering computing services over the internet
SaaS
Software as a Service delivered through browsers
Open Source Software
Software with publicly available code
Linux
Popular open-source operating system
Freemium Software
Software offered free with premium upgrades
Virtualization
Running multiple virtual systems on one machine
Utility Computing
Paying only for computing resources used
Subscription Model
Paying recurring fees for software access
Platform as a Service (PaaS)
Cloud platform for app development
Infrastructure as a Service (IaaS)
Virtual servers and computing resources online
Vendor Lock-In
Difficulty switching cloud providers
Scalability
Ability to expand services efficiently
Total Cost of Ownership (TCO)
Complete lifetime technology costs
Software Piracy
Illegal copying or distribution of software
Web Services
Software systems communicating over networks