Computer Option is a term used to describe the various components and features that can be added to a computer system. The three solutions for this term are MOUSE (5 letters), Flatscreen (10 letters), and MAC (3 letters). A MOUSE is an input device used to control a cursor on a computer screen. Flatscreen is a type of display technology used in computer monitors and televisions. MAC is a brand of personal computers designed and developed by Apple Inc.