What is software whose source code is kept private and requires a paid license to use called?
AOpen-source software
BProprietary software
CFreeware
DFirmware
Explanation
– Proprietary software keeps its source code private.
– It usually requires a purchased license to use.
– Microsoft Windows is an example of proprietary software.
Exam Relevance
- Topic: Software Applications
- Subtopic: Software Licensing

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