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* NEC - VERSA, LaVie * Notebooks weighing around 5 kg are sometimes termed desknotes (desktop/notebook). * Improved hard disk technology. Early laptops had only floppy disk drives. As thin, high-capacity hard disk drives with higher reliability and shock resistance and lower power consumption became available, users could store their work on laptop computers and take it with them. Later PowerBooks introduced the first 256-color displays, first true touchpad, and first built-in Ethernet networking. * ECSAmong the first commercial IBM-compatible laptops were the IBM PC Convertible, introduced 1986, and the Toshiba T1000 and T1200, introduced 1987. Although limited floppy-based DOS machines (the operating system was stored in ROM), the Toshiba machines were small and light enough to be carried in a backpack, and could be run off lead-acid batteries. These also introduced the now-standard "resume" feature to DOS-based machines; the computer could be paused between sessions, without having to be restarted each time. The Apple PowerBook series, introduced in 1991, heralded many changes that are now standard on laptops, including ergonomic improvements such as the placement of the keyboard at the back of the machine, thus creating a palm rest, and the inclusion of a built-in pointing device (a trackball). The following year, IBM released its Thinkpad series, offering similar miniaturization. * Sharp - Mebius * Improved battery technology. The heavy lead-acid batteries were replaced with lighter and more efficient technologies, first nickel metal hydride (NiMH) and then lithium ion and lithium polymer. In 2005, faculty members from the MIT Media Lab including Nicholas Negroponte introduced the $100 laptop as part of the One Laptop Per Child project. The aim is to design, manufacture, and distribute laptops that are sufficiently inexpensive to provide every child in the world access to knowledge and modern forms of education. The laptops will be sold to governments and issued to children by schools on a basis of one laptop per child. These machines will be rugged, Linux-based, and so energy efficient that hand-cranking alone will generate sufficient power for operation. Ad-hoc wireless mesh networking may be used to allow many machines Internet access from one connection. The pricing goal is to start at $100 and then steadily decrease. * Improved interconnectivity. Internal modems and standard serial, parallel, and PS/2 ports on IBM PC-compatible laptops made it easier to work away from home; the addition of Ethernet networking ports and, from 1997, USB, and from 1999, Wi-Fi, made laptops as easy to use with peripherals as a desktop computer.
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* Linuxcertified - Linux laptop * Compaq - EVO, Armada, LTE, and Presario * Notebooks smaller than a A4 sheet of paper and weighing around 1 kg are sometimes called sub-notebooks or subnotebooks. Another claim to be the "first laptop" was made by a novice programmer Thomas Kelly in 1982. While it was made to be used upon one's lap, it weighed 150 pounds, and therefore could not be deemed truly portable. * Dell - Inspiron and Latitude * Hypersonic* Apple Computer - iBook, PowerBook and MacBook Pro * Notebooks weighing around 5 kg are sometimes termed desknotes (desktop/notebook). * Toshiba - Dynabook, Equium, Portege, Tecra, Satellite, Qosmio, Libretto Some parts for a modern laptop have no corresponding part in a desktop computer: