Technology Questions

DHTML stands for Dynamic HTML. The first thing that we need to clear about DHTML is that it is neither a language like HTML, JavaScript etc. nor a web standard. It is just a combination of HTML, JavaScript and CSS. It just uses these languages features to build dynamic web pages. DHTML is a feature of Netscape Communicator 4.0, and Microsoft Internet Explorer 4.0 and 5.0 and is entirely a "client-side" technology.  

Features of DHTML:

- Simplest feature is making the page dynamic.

- Can be used to create animations, games, applications, provide new ways of navigating through web sites.

- DHTML use low-bandwidth effect which enhance web page functionality.

- Dynamic building of web pages is simple as no plug-in is required.

- Facilitates the usage of events, methods and properties and code reuse. 

All the statements are equal because inside an interface a variable declared will be public static final by default 

A lock can be acquired on a class. This lock is acquired on the class's Class object.

IMS (Information Management System) is IBMs hierarchical database management system. It has mainly two components: IMS DB and IMS DC (Also know as IMS TM)

IMS DB - IMS/Database Manager as the name implies manages the IMS databases. It is used for physical storage creation and management and data retrieval.

IMS DC / IMS TM - IMS/Data Communications or IMS/Transaction Manager handles online transaction processing system.