Navleen. What are MOOCs? 
MOOCs stand for Massive Open Online Courses. The idea behind the concept of MOOCs is that these are ‘Courses’, related to practically any topic, are offered ‘Online’, and are free and ‘Open’ for anyone to enroll into. So, an ideal MOOC would have unlimited number of enrolls, hence making it ‘Massive’!
What exactly is meant by Open Access? 
Open access refers to the unrestricted provision of access to educational resources, free of cost. MOOC content is usually open for all, and there is no registration or fee required to enroll for one either. A web browser is all one requires to have Open Access.
Is there a limit on the number of participants in a MOOC? 
No, there is no limit to the number of participants in a MOOC. A typical MOOC is designed to take on board millions of students and learners. More...