The document provides an overview of computer systems and laptop brands. It discusses the top 9 laptop brands purchased worldwide led by Dell and Asus. It then examines the laptop sales ratings for December 2016, with the Dell XPS 13 and Asus ZenBook UX305 in the top spots. Finally, it recommends several laptop models for CSIT students in Nepal, favoring Dell, HP, and other brands that offer reasonable prices along with specifications like an Intel i5 or i7 processor that are suitable for coursework.