Technology Questions

Canvas is a rectangular area on a HTML page, specified with the tag <canvas>. 

NaN stands for ‘not-a-number’. The function isNaN determines the argument or the value is a NaN. The function returns true if the argument is not a number, otherwise returns false.

SAP is the name of the company founded in 1972 under the German name (Systems, Applications, and Products in Data Processing) is the leading ERP (Enterprise Resource Planning) software package.

NTFS, FAT & FAT 32 are the file systems of NT.

The major benefits of Ecommerce are:

- Secure       : More secure than a cheque.

- Fast           : The transactions take not more than a few seconds

- Always on  : The purchases can be made 24/7

- Convenient:  Ease of purchasing

-Reduced cost price : Reduction of Marketing and Advertising Costs

Overriding means changing behavior of methods of base class in derive class by overriding the base class methods. If class A is a base class with method ’calculate’ and class B inherits class A, thus derives method ’calculate’ of class A. The behavior of ’calculate’ in class B can be changed by overriding it.

CSS consists of two types of CSS rules, first is for ruleset which identifies the style and the selector. It combines the style and the selector. Ruleset is a combination of CSS rules, for example: h1{text-color: 15pt;}, where this is the CSS rule. Ruleset is selector + declaration for example: h1 + {text-color: 15pt;}

- Web hosting services provide internet hosting and its services that provide organization to build the websites. 

- The web hosting services also allow the individuals to access the websites through the World Wide Web. 

- Web hosting provides the space to put their content and allow the clients to provide the Internet connectivity. 

- It provides the data center that allows the use of higher space and connectivity properties for the Internet users. 

- It provides tools to allow the website to run on the servers and easily accessible from the outside world using the browser.