How to Check whether your assignment is copied or not....???

How to Check whether your assignment is copied or not...??Here are some links in which you can paste your assignment text and can check whether ur assignment is copied from any site or not

http://www.plagiarismdetect.com/
http://www.dustball.com/cs/plagiarism.checker/
http://www.duplichecker.com/
http://en.writecheck.com/home/

You can paste your assignment text in the following links to check weather  your assignment is copied or not.

Before submitting your assignment, make sure your assignment data is not copied, otherwise you will get "ZERO" marks.