Before posting your Computer Studies doubts here, have a look in
this thread.
Use the search function in that thread to see if your doubt has already been answered.
If it hasn't then post here and someone will help you.
Don't forget to mention the following ;1. The Year and session.
2. The Question number/part you have doubt in.It would be better if you uploaded the paper by attaching it.Check
THIS for Resources =D
Thank you =)