HTML5 is a fifth major release of HTML, and is a markup language for developing and programming the content for World Wide Web. It is one of the core technologies of internet and was originally built by Opera Software. Even as of September 2012, it is still under the development phase however its core aims to improve the overall functionality as well as the language with the support for latest audio / video and multimedia content. Besides, it is not only about the support it also ensures that the multimedia contents are also easily accessible by the users and at the same time are being understood by the computers and devices (web browsers, parsers, etc.).
HTML5 interview questions