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Where Did Laptop Computers Come From, Part 1
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Laptop computers have gone from the status of an object luxury everywhere, must be considered, particularly for business professionals. As such, the demand for cheap laptops is growing, and laptop computers today are smaller, brighter and more powerful than their ancestors cumbersome.
Sub-types of laptops include many different types. UMPC, or extract and PC. These models are small screen versions of large and small laptops are designed with a keyboard and mouse interface miniature. Screen containing laptops that are typically less than 12 inches are considered ultraportables, and are primarily designed for business travelers who need small, light laptops. Other categories include thin and light weighing between four to six pounds, integrate laptops that weigh five to seven pounds, and the replacement of desktop computers, which are intended to remain in a fixed location and, as their name l 'suggests, are intended to replace the desktops in the workplace.
Similar devices are also available. The prototype for all laptops and laptop computers, the Osborne 1, was intended to launch desktop software, but did not function well as a laptop if it is directly connected to a power source . There are tablet-shaped devices notebooks, which include interfaces with touchscreen and a stylus magnetized. Some do not include a keyboard, while others have convertibles, which include a screen that can rotate 180 degrees and folded on top of the computer. Personal Digital Assistants, or PDAs, are also included in this category, as well as smart phones, like the recent Apple IPhone.
Lines separating these types of devices are often blurred. The Apple eMate, for example, was a form of a clamshell laptop but ran PDA software. The HP line here also included some devices that are small enough to be classified as handhelds.
The first model is proposed laptop Alan Kays Dynabook concept, which was developed at Xerox PARC in the early 1970's. The first laptop to be marketed, however, as already indicated, was the Osborne 1, which was releaaed in 1981 and ran on CP / M operating system. Although it was bulky by today's standards, it has revolutionized the business world, because business travelers have been, for the first time, able to take their computers to travel along with them. The first portable computer, the Xerox NoteTaker, had been developed by that time, but only a limited number of prototypes were ever built, and although Osborne was relatively expensive and the size and weight of a machine portable sewing, it is nevertheless very Popular at the time.
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