This document discusses different types of computers for individual and organizational use. It describes desktop computers, workstations, notebook computers, tablet computers, handheld computers, and smartphones as the six primary types for individual use. Desktops are designed to sit on a desk and perform various tasks. Workstations have more power and features than desktops for tasks like science, engineering, and animation. Notebooks are portable and fit in briefcases. Tablets offer notebook functionality with touch input. Handhelds like PDAs are small enough to fit in hands and commonly used for notes, contacts, and schedules. Smartphones combine phone and PDA functions. Networks and servers allow organizations to connect computers, with mainframes used by large organizations.