Is it okay to put up a submitted paper and a paper which is about to be submitted on Academia.edu? I'm applying to graduate school (CS MS/PhD) this year and I wanted to put up a copy of my papers online so that admission committees would be able to see them. The problem is one of the papers is currently under submission at a conference and notification for the same is only on Jan 22nd. Another one is still in preparation and I will be submitting it soon to a journal/conference. So I was just wondering if it is okay if I put up these papers in my Academia.edu page? 
Actually one of my friends' told me that since Academia.edu submissions are searchable on Google, the conference I have submitted to and the journal or conference I would be submitting the other paper will have a problem. Is he right? How else can I provide a way for others to view these papers?
For your submitted paper: Check the copyright and "prior publication" policies of the conference you've submitted to.  It's very likely that they allow you to post a "preprint" of your paper on your web page.  This is a very common practice in Computer Science, since it allows researchers to share their work without being delayed by the peer review process.  You might also consider posting on a preprint server such as arXiv.org as this will further increase your audience (this is also usually allowed).  And it would also be a good idea to include a copy of the paper with your applications, or at least a link; don't expect the admissions committee to find it by themselves.

For your not-yet-submitted paper: Again, there shouldn't be a problem with the journal/conference, but it's probably best to wait to make it public until it is completely finished and ready to submit.  However, you could certainly include a copy with your applications.