Domain 3: Licensing, Cloud Apps, Virtualization & Application Troubleshooting

Essential Question:

How do software licensing, cloud services, virtualization, and troubleshooting methods help users understand, install, and manage applications?


🔑 Vocabulary (Students Copy)

License — legal permission to install/use software.

Proprietary Software — closed source; controlled by a company.

Open Source — publicly available code; free to modify.

EULA (End-User License Agreement) — contract between user and software company.

Subscription — recurring payment model.

Perpetual License — one-time purchase.

SaaS — Software as a Service; runs in a browser.

Thick Client — app installed on local hardware.

Thin Client — relies on network/server to run apps.

Virtual Machine (VM) — a simulated computer running inside another computer.

Hypervisor — software that creates/controls virtual machines (Type 1 & Type 2).

Patch — update that fixes bugs/security issues.

Compatibility — whether software can run on a device based on specs and OS.

File Association — which application opens a specific file type.