Difference between System Software and Application Software

Sr. No.	Application Software	System Software
1	Application Software are those Software which are designed to help the user to perform specific tasks.	System Software is Computer Software which manages and controls computer hardware so that application software can perform tasks.
2	Application Software is installed according to the requirements of the user.	System Software is gets installed when the operating system is installed on the computer.
3	Application Software includes Media Players, Word Processors and Spread Sheet Programs.	System Software Includes programs such as compilers, debuggers, drivers, assemblers.
4	User interacts with application software while doing different activities.	User does not interact with system software as it works in

Difference Between Blackbox and Whitebox Testing

Parameter	Black Box Testing	White Box Testing
Definition	It is a Software Testing Technique that examines the functionality of an Application without peering into its working or coding.	It is a Software Testing Technique to test internal structure and working of an Application Software.
Technique Applied in	This Technique Applied in Unit, Integration, System and Acceptance levels of Software Testing Process.	This Technique Applied in Unit, Integration and system levels of Software Testing Process.
Test Procedures	For Black box Testing Specific knowledge of the application's coding/internal structure and programming in general is not required.	For White box Testing Specific knowledge of the application's coding/internal structure and programming is required.
Test Design Techniques	Black box test design techniques include: Decision Table Testing All Pairs Testing State Transition Analysis Equivalence Transition Boundary Value Analysis Cause Effect Graph        Error Guessing	White box test design techniques include: Control Flow testing Data flow testing Branch testing Path testing

How to Download YouTube Videos?

Hello friend today I am going to tell you very special software with the help of which you can download videos from any site like YouTube. Actually this is a plugin that comes with our beloved Mozilla Firefox web browser. So the primary platform to install this plugin is Mozilla Firefox. Here are some important points about this plugin:

Plugin Name is Video Download Helper. It is a tool for web content extraction and can download videos and pictures from other sites.

It’s absolutely free and can be downloaded from official website of Mozilla (Click Here to Download)

No need to install any video downloader.

No Download Limit.

Fast Download Speed.

And one more exciting thing about this plugin is that it can also convert videos into your desired formats during download. Hence we get double benefit Download + Video Conversion.

To perform video conversion another plugin Convert Helper is also installed and can be downloaded from official site at no cost means its also absolutely free. (Click Here to Download)

Another advantage is that you can download videos as per your size means high quality or low quality.

How to Install Download helper?

Here are Some Simple steps that you can use to install and use Video Download Helper.