alleryWhich of these is an example of proprietary software?
APython
BLibreOffice
CTally
DMozilla Firefox
Answer & Solution
Correct answer: C. Tally
1. Proprietary software has to be purchased from the vendor who holds its copyright.
2. Microsoft Windows, Tally and Quickheal are given as examples of proprietary software.
3. Python, LibreOffice and Mozilla Firefox are all listed as Free and Open Source Software.
4. For open source products the source code is freely accessible to anyone able to improve it.
5. So Tally is the only proprietary item in the list.
_Source: syllabus Computer Science Class 11, Ch 1 'Computer System', S1.7.5 Proprietary or Free and Open Source Software_
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