Which of the following is not an open source software?

(A). Linux
(B). Android
(C). Mozilla Firefox
(D). Microsoft Office
Answer: ​Microsoft Office


Which of the following is open-source software?

(A). Joomla

(B). Android
(C). Drupal
(D). All of these
Answer: ​Microsoft Office


Difference  between Open Source Software and Closed Source Software

OPEN SOURCE SOFTWARE CLOSED SOURCE SOFTWARE
OSS  stands for Open Source Software. OSS  stands for Closed Source Software.
The source code is public in Open Source Software. The source code is protected in closed-source software.
All end users can access and use the source code of Open source software. The general public or End users can’t access and use the source code of closed-source software.
There is a more chance of failure of Open source software. There is less chance of failure of Closed source software.
Open Closed software can be installed by anyone on any computer. The end user required a license before installation of Closed source software into any computer.
The price is very less. The price is high.
Open Source Software can be purchased with its source code. Closed Source Software can’t be purchased with its source code.
Anyone can modify the code of  Open Source Software. Only programmers or allowed persons can only modify the code of closed-source software.
No one is responsible if anything happened to Open source software. The Software house is responsible if anything happened to closed-source software.
There are no so many limitations on users based on usability and modification of software. There are so many limitations on users based on usability and modification of software.

Examples of Open Source Software and Closed Source Software

Open-source Software Closed Source Software
Taiga Adobe Reader
TurboCASH Adobe Flash
OpenCart Adobe Flash Player
Datawrapper Microsoft Windows
OpenCms Java
Thunderbird Skype
Draw.io Virtual Box
Apache OpenOffice Google earth
WooCommerce WinRAR
SugarCRM Community Edition Microsoft office
GanttProject mac OS
ADempiere Google Chrome
Claws Mail DB2 Express-C
OroCRM VMwareServer
Kimai Intel Fortran Compiler PE
Geary Java
Redmine JBuilder 2008 Turbo
xTuple Adobe Reader
Fat Free CRM Google Desktop
PrestaShop Google Earth
WordPress Picasa
phpList Skype
WSDesk – ELEX WordPress HelpDesk & Customer Ticketing System Google Docs & Spreadsheets
Clockify Lotus Symphony
Calligra Opera
Charted WebSphere Application Server
Magestore Quasar Accounting
TiddlyMap Intel C++ Compiler PE
NeoOffice AVG Anti-Virus
Odoo Rainlendar Lite
Highcharts VirtualBox
GIMP Adobe Flash
Inkscape Avast!
Blender  
LibreOffice  
Drupal  
GnuCash  
digiKam  
Wireframe.cc  
ImageMagick  
SuiteCRM  
eHour  
Django  
OpenBravo  
eM Clients  
Zen Cart  
Joomla  
OpenProject  
XMind  
MyCollab  
Basilisk  
Brave Browser  
Firefox  
Chromium  
Pale Moon  
Waterfox  
Dooble  

Most Important MCQs of Computer Science General Knowledge

  1. Which of the following is not an apple product?
  2. Which of the following is not a Microsoft product?
  3. Which of the following is not an example of malware?
  4. Which of the following is System Software?
  5. Which of the following is not antivirus software?
  6. Which of the following is not open-source software?
  7. Which of the following is an open-source operating system?
  8. Which among the following is not related to GIS software?
  9. Which of the following is not a web browser?
  10. Which of the following allows the user to view a web page?
  11. Which of the following program is not a utility?
  12. Which of the following is not a type of software?
  13. Which of the following is not a web server?

Highly Recommended  Important MCQs with Explanation

Computer Science MCQs (Homepage)

Prof.Fazal Rehman Shamil (Available for Professional Discussions)
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