Classification

The general terms "laptop" or "notebook" can be used to refer to a number of classes of small portable computers:^[10][11]

By purpose and (approximately) by screen size: Desktop replacement – emphasizes performance, is less portable, 15" and larger screen; Standard laptop – balances portability and features, 13-15" screen; Subnotebook – emphasizes portability, has fewer features, 13" or smaller screen.

By features: Budget – a cheap, lower-performance standard-sized laptop; Tablet PC – Has a touch-screen interface, may or may not have a keyboard; Netbook – A cheaper, smaller version of a subnotebook suited to Internet surfing and basic office applications. Usually has a 9" screen. Gaming laptop - A larger laptop with a powerful graphics card for playing graphics-intensive computer games. Rugged – Engineered to operate in tough conditions (strong vibrations, extreme temperatures, wet and dusty environments).