The volume of the software as a service (saas) market is growing and predicted to reach one-fourth of the software market. what are the technological developments that cause this growth?

The Internet, Faster processing power of computers.

Explanation:

There are some many factors that has led to this growth, but the Internet is the main technological development. The internet has made it possible for software to be hosted in the cloud where users can access and use without having to download and install the software on their local computer.

Also the development of faster processors has also aided the growth of SaaS.

DHTML (Dynamic HTML) is a collection of a few different languages

Explanation:

Dynamic HTML is a collection of HTML, DOM, JavaScript, and CSS.

It allows for more customizability than regular HTML. It allows scripts (JavaScript), webpage styling (CSS), manipulation of static objects (DOM), and building of the initial webpage (HTML).

Since the question is incomplete, I'm not really sure what all you need answered - please leave a comment if you would like something else explained. :)