102. What is new in drupal 7 ?

Read Here

https://www.drupal.org/about/new-in-drupal-7

Video Answer
http://drupal-videos.blogspot.com/2014/06/102-what-is-new-in-drupal-7.html

53. What is drupal 8 ?

The Most Customizable, Adaptable Drupal Release Ever, Drupal 8 will set a new standard for ease of use, while offering countless new ways to tailor and deploy your content to the Web. Easily customize data structures, listings, and pages, and take advantage of new capabilities for displaying data on mobile devices, building APIs, and adapting to multilingual needs.

Important Points -

·         Mobile in its DNA
·         Multilingual Capabilities
·         New Configuration Management
·         Built-in Web Services
·         Effortless Authoring  
·         Fun and Fast Theming
·         Views, Out of the Box
·         Field Power
·         Better Markup with HTML 5
·         Industry Standard Approach
 

 Read more here https://drupal.org/drupal-8.0

28. List the features of Drupal

1. Rock solid & high quality platform
2. Powerful templating system. Any XHTML or CSS template can be easily converted to Drupal
3. Real multi-site-feature (only one installation for several sites)
4. Any Kind of user groups & user permissions, OpenId compliant in Version 6
5. Can run membership and community sites, not only CMS etc
6. Clear, high quality code and API (easy to integrate with other solutions etc)