Technical questions page is to gather of bunch of technical questions for your interview
http://ece-08.blogspot.com/2011/08/technical-questions-1.html
These are few technical questions based on logic design
http://ece-08.blogspot.com/2011/08/technical-questions-logic-design.html
For C language basics see this e-book :-http://ignite-spark.blogspot.com/2011/01/let-us-c-yashwant-kanetkar.html