Technology Questions

- A web worker is a JavaScript which runs in the background. It exists in external files. 

 - It is independent of other scripts and does not affect the performance of the page. 

 - Web workers are usually used for CPU intensive tasks.

CDATA - (Unparsed) Character Data

The term CDATA is used when you dont want some text data to be parsed by the XML parser.

A CDATA section starts with "<![CDATA[" and ends with "]]>": 

Overriding is a method with the same name and arguments as in a parent, whereas overloading is the same method name but different arguments

Similar to system testing, the *macro* end of the test scale is testing a complete application in a situation that mimics real world use, such as interacting with a database, using network communication, or interacting with other hardware, application, or system.

ABAP (Advanced Business Application Programming) is a high level programming language created by the German software company SAP. It is currently positioned as the language for programming SAP's Web Application Server, part of its NetWeaver platform for building business applications. Its syntax is somewhat similar to COBOL.

The JVM performs three main tasks:

• Loads code

• Verifies code

• Executes code

- Frames make it easier to navigate through a site. 

- The links that appear in the frame can appear through out the site.

Arrays can store data in a fix allotted space. The use of linked list allows more flexibility because space is dynamically allocated as needed.