SCL 2 : Computer Software

This task is completed by :


1. What is open source software?
  • Open-source software (OSS) is computer software with its source code made available and licensed with a license in which the copyright holder provides the rights to study, change and distribute the software to anyone and for any purpose.

In your opinion, why people prefer open source software over proprietary alternatives nowadays?

In our opinion, people prefer open source software over proprietary alternatives nowadays because :
v  Many users prefer open source software to proprietary software for important, long-term projects.
v   They have more control over that kind of software.
v  They can examine the code to make sure it is not doing anything they do not want it to do.
v   They can change parts of it they do not like.
v  Users who are not programmers also benefit from open source software because they can use this software for any purpose they wish.
v  People like open source software because it helps them become better programmers.
v   They can learn to make better software by studying the source code others have written.
v   They can also share their work with others, inviting comment and critique.
v  Some people prefer open source software because they consider it more secure and stable than proprietary software.
v  Because of anyone can view and modify open source software, someone might spot and correct errors or omissions that a program's original authors might have missed.
v   Many programmers can work on a piece of open source software without asking for permission from original authors, open source software is generally fixed, updated, and upgraded quickly.
v  Because of  the source code for open source software is distributed publicly, users that rely on software for critical tasks can be sure their tools would not disappear or fall into disrepair if their original creators stop working on them.

Name top (fives) 5 most popular open source software and compare them with similar proprietary software (e.g. Open Office versus Microsoft Office).

*      Conditional formatting. Both spreadsheet packages offer conditional formatting , but Microsoft offers a lot more flexibility and control in this realm.
*      Grammar checking. Microsoft Word has a built-in grammar-checking tool. The Open Office community has provided a few add-ons that you could install to provide grammar checking, but they're generally considered to be less robust than Word's default options.
*      Microsoft Office's "Smart Art" diagrams. Word, PowerPoint, and Excel all introduced a new feature in the 2007 version: Smart Art, a useful feature that allows you to easily create diagrams in a many common formats (like pyramids, cyclical diagrams, org charts, and more). OpenOffice doesn't offer anything that comes close to the diagramming power
*      Document-viewing options. The options to view documents are not as powerful in Open Office's Writer as they are in Word. You can only choose to see a "Web View," which doesn't show all the formatting that you've included for a printed document, or a full-page layout that shows the entirety of the page including headers, footers, and margins. Word gives you several more choices, including a nice view that preserves the page layout without showing margins or headers.



*      Open-source applications often cost nothing. OpenOffice is free .
*      Updates to open-source applications also cost nothing. As an open-source product, OpenOffice updates are free; the same is not always true of Microsoft updates.
*      You can do what you like with open-source code. You can study OpenOffice and adapt it to your needs. You can improve the program or build something completely new with it and release your changes to the public.
*      OpenOffice tends to be somewhat simpler to understand, and can output to some more useful file formats. For instance:
*      A single interface for the whole suite. OpenOffice provides an overall gateway to easily get to any of the individual components. Using Microsoft Word, you need to open each application separately.
*      File size. OpenOffice's native format generally creates much smaller files than Microsoft Office.
*      HTML production. HTML purists tend to favor Writer's markup to Word's, though few people with knowledge of HTML use either editor in producing web pages.


Compare Products
Quick Comparison
Anti-Virus Protection:
Shields your computer from viruses and other malware by automatic scanning suspicious files, websites and e-mails
Proactive Protection:
Automatically detects and stops unknown viruses and other malware from infecting your computer by analyzing program behavior.

(2011 technologies + System Watcher)

(2011 technologies + System Watcher)
Application Control and Sandboxing:
Safely tests questionable programs and websites for viruses and other malware in a virtual "sandbox" while restricting unauthorized access to certain computer components

(2011 technologies)

(2011 technologies)
Digital Identity Protection:
Ensures safe shopping and banking online; protects your personal data (e.g. credit card numbers, etc.) from online theft

(2011 technologies)

(2011 technologies)
Internet Security:
Prevents cybercriminals from damaging your system and data (e.g. documents, photos, music, etc.); protects your personal information from online theft; scans and tests questionable websites in the Safe Run mode; and provides ultimate protection from a variety of online threats

(+ Safe Surf technology)
Block Unwanted Content:
Bans spam, pop-ups and other unwanted content from your mailbox and Internet browser

(2011 technologies)
Family Protection (Parental Control):
Enables parents to manage and monitor children's access to certain programs and the Internet on the computer (e.g. games, instant messaging applications, websites, etc.); provides detailed reporting

(2011 technologies)
Password Manager:
Stores and encrypts your personal usernames and passwords in one secure location; automatically logs you in to your favorite websites and auto-complete forms
Disaster recovery (backup):
Automatically backs up data, which can be restored in the event of a loss, and select backup media
PC Security Tune-up:
Scans your operating system and programs for vulnerabilities; tunes up system settings for better security; recovers and repaires a virus-damaged/infected system with the help of a Rescue Disc (CD)
Home Network Security:
Guards your home network with the help of a two-way firewall; blocks external security threats, such as malicious programs, files, scripts that can cause damage to your computer and data; increases security of your Wi-Fi connections


Media Player Classic
Operating Systems
Windows/ Linux/ Mac OS X/ iOS/ Android
Latest Version
Most Recent Release Date
Apr 11, 2013
Dec 10, 2008
Original Release Date
Feb 1, 2000
May 29, 2003
Media Data Base
A-B Repeat
Color Controls
Media Data Base
A-B Repeat
Color Controls
Supported Formats
.wav, .mp3, .mp4, .aac, .wma, .ogg, .ra, .avi, .mov, .xvid, .mpeg, .3gp, .asf, .asx, .flv, .m2p, ect
.wma, .mp3, .mp4, .ogg, aac, .mkv, .xvid, divx, .avc, .avi, .flv, ect

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