From Latin ferr(um) iron  + -o-

Italian Spanish Portuguese and Maltese: from ferro 'iron' (from Latin ferrum) used as a nickname denoting someone who was strong or as a metonymic occupational name for someone who produced or worked iron.

Yes, games like Call of Duty can be played on a laptop, as long as the laptop meets the game's system requirements. These requirements usually include specifications for the processor, graphics card, RAM, and storage space.