Subnotebook

Types of subnotebooks, clockwise from left:
Classic subnotebook (Compaq Contura Aero),
Netbook (Asus Eee PC 1000H),
Palmtop/Handheld PC (Sony VAIO C1, Fujitsu Lifebook 810U)

Subnotebook, also called ultraportable, superportable, or mini notebook, was a marketing term for laptop computers that are smaller and lighter than a typical notebook-sized laptop.