a typical computer found in many businesses and popular for home use

a full-function PC, though it only weighs 1.2 kg - you can go to a meeting and write your notes on it, like a paper notepad; its screen mode can be changed from portrait to landscape

a small computer that fits into items of clothing

a portable computer that can be closed up like a briefcase, but can be as powerful as a desktop PC

a large computer used for intensive data processing and often linked to many terminals

a hand-held computer which can be used as a telephone, a web explorer and a personal organizer