It weighed 12 kg and its dimensions were 45cm x 45cm x 15cm. Both Tandy/Radio Shack and Hewlett Packard (HP) also produced portable computers of varying designs during this period.
The first laptops using the flip form factor appeared in the early 1980s.
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A laptop, often called a notebook or "notebook computer", is a small, portable personal computer with a "clamshell" form factor, an alphanumeric keyboard on the lower part of the "clamshell" and a thin LCD or LED computer screen on the upper part, which is opened up to use the computer.
The term "notebook" appears to have gained currency somewhat later as manufacturers started producing even smaller portable devices, further reducing their weight and size and incorporating a display roughly the size of A4 paper; these were marketed as notebooks to distinguish them from bulkier laptops.
As the personal computer (PC) became feasible in 1971, the idea of a portable personal computer soon followed.
Most modern laptops feature integrated webcams and built-in microphones, while many also have touchscreens.Laptops are folded shut for transportation, and thus are suitable for mobile use.Laptops are commonly used in a variety of settings, such as at work, in education, in playing games, Internet surfing, for personal multimedia and general home computer use.Design elements, form factor and construction can also vary significantly between models depending on intended use.Examples of specialized models of laptops include rugged notebooks for use in construction or military applications, as well as low production cost laptops such as those from the One Laptop per Child (OLPC) organization, which incorporate features like solar charging and semi-flexible components not found on most laptop computers.