Can I use a different adapter for my samsung ultrabook laptop?

Q. I lost my AC adapter for my samsung series 5 ultrabook laptop. Is it okay to use a different laptop adapter? Would it damage my laptop? I am planning to use my old fujitsu laptop adapter instead.

A. I don't know about samsung but some laptops have a error message come up if the wrong power cord is used and yes it would damaged your laptop in the long run

What is the main difference between ultrabook and laptop?

Q. Hi, i want to buy a new laptop, should i buy ultrabook? What is the main difference? Thanks

A. The most important difference - it's size. Ultrabook has a size as a netbook or tablet, but it has a very high performance.
I really like this picture compare laptop and ultrabook http://ultrabooksreview.com/buying-advice/laptops-and-ultrabooks-a-world-of-difference/

What is the difference between havingor having not SSD to an ultrabook?

Q. I found a lot of uultrabooksare with SATA drive. So, ssd, is it big deal?

A. SSD are nearly 200% faster than a SATA HDD. An HDD has more storage capacity and a decent speed. (1-2 TB for 300$) A 128GB SSD is approximately 109$ To answer your question:

Yes, it is a big deal :)