Open Source and Proprietary Software

Question 1

What is open source software?

Answer 1

Source code is made freely available, users can legally modify or create new software from it
It can be shared under the same license and terms as the original software

Question 2

Example of Open Source Software

Answer 2

Linux -> an open source OS
Spin-off softwares from it: Android, Debian

Question 3

Advantages of Open Source Software

Answer 3

Free
Adapted to users’ needs
Many collaborators -> more creative/innovative ideas compared to one company

Question 4

Disadvantages of Open Source Software

Answer 4

May not get regular updates
No warranties if something goes wrong
May have unpatched security holes

Question 5

What is an example of Proprietary Software (closed source software)?

Answer 5

Only the compiled code is released -> the source code is kept a secret by organisations
Proprietary Software Licenses restrict the modification, copying and redistribution of the software

Question 6

Example of Proprietary Software

Answer 6

Microsoft, Adobe

Question 7

Advantages of Proprietary Software

Answer 7

Has warranties, documentation, customer support
Is well-tested
Regular fixes + updates
Cheaper for companies to build

Question 8

Disadvantages of Proprietary Software

Answer 8

Expensive
May not fit users needs
May not be maintained by the company as they want people to buy their latest product