(A). Unix
(B). DOS
(C). Both A and B
(D). Linux
MCQ Correct Answer: (D). Linux
Which of the following is not an open-source operating system?
(A). Microsoft Windows
(B). iOS
(C). Both A and B
(D). Redox
MCQ Correct Answer: (D). Redox
Examples of Closed Source Operating Systems
- Microsoft Windows
- Solaris UNIX
- OS X
- iOS
Examples of Open Source Operating Systems
- SOS
- skiftOS
- Redox
- AquilaOS
- ReactOS
- Xv6
- MINIX
- Linux
- Essence
- Barrelfish
- House
- Kerla
- Minoca OS
- HelenOS
- Mezzano
- FreeDOS
- Subgraph OS
- Sculpt
- Biscuit
- OpenBSD
- ToaruOS
- Qubes OS
- Serenity
- GNU Hurd
- Dragonfly BSD
- Interim OS
- FreeBSD
- BASIC-DOS
- Haiku
- illumos
- Essence
- PowerNex
- Plan 9
- GeckOS/A65 V2.0
- RISC OS
- NetBSD
- Harvey
- Tock
- osv.io
- AROS
Difference between Open Source Operating Systems and Closed Source Operating Systems
| OPEN-SOURCE OPERATING SYSTEM | CLOSED-SOURCE OPERATING SYSTEM |
| The source code is public in Open Source Operating System. | The source code is protected in a closed-source Operating System. |
| All end users can access and use the source code of the Open source Operating System. | The general public or End users can’t access and use the source code of closed-source Operating systems. |
| There is a more chance of failure of Open source Operating Systems. | There is less chance of failure of the Closed source Operating System. |
| Open Closed Operating System can be installed by anyone on any computer. | The end user required a license before installation of the Closed source Operating System into any computer. |
| The price is very less. | The price is high. |
| Open Source Operating System can be purchased with its source code. | Closed Source Operating System can’t be purchased with its source code. |
| Anyone can modify the code of the Open Source Operating System. | Only programmers or allowed persons can only modify the code of closed-source Operating systems. |
| No one is responsible if anything happened to the Open source Operating System. | The Operating System house is responsible if anything happened to the closed-source Operating System. |
| There are not so many limitations on users based on usability and modification of the Operating System. | There are so many limitations on users based on usability and modification of the Operating System. |
Most Important MCQs of Computer Science General Knowledge
- Which of the following is not an apple product?
- Which of the following is not a Microsoft product?
- Which of the following is not an example of malware?
- Which of the following is System Software?
- Which of the following is not antivirus software?
- Which of the following is not open-source software?
- Which of the following is an open-source operating system?
- Which among the following is not related to GIS software?
- Which of the following is not a web browser?
- Which of the following allows the user to view a web page?
- Which of the following program is not a utility?
- Which of the following is not a type of software?
- Which of the following is not a web server?
