CPU compatible with my pc

CPU compatible with my pc?

here is my pc :http://us.acer.com/ac/en/US/content/model/PV.SHWP2.001
is there any cpu compatible with my pc? and what makes a processor and a motherboard compatible?

Other Answers:

socket makes a motherboard and processor compatible

LGA 775 (pentium, core processors)
LGA 1155 (2nd gen I series processors)
LGA 2011 (2nd Gen 6 core procesors