can i do ms in computer architecture? (ECE b.tech)

I am doing b.tech in ECE.I am good in programming. I like the subject computer architecture and organization. can i do ms in it?

If so, will the course be very difficult or managable?

Yes, you can. No, it will not be very difficutl. You would probaby need to take some pre-requisities based ont he school.

thank you for answering.