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Most modern laptops feature integrated webcams and built-in microphones, while many also have touchscreens.
Laptops can be powered either from an internal battery or by an external power supply from an AC adapter.
The first laptops using the flip form factor appeared in the early 1980s.
The Dulmont Magnum was released in Australia in 1981–82, but was not marketed internationally until 1984–85.
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 screen and keyboard are inaccessible while closed.
Devices of this form are commonly called a 'traditional laptop' or notebook, particularly if they have a screen size of 11 to 17 inches measured diagonally and run a full-featured operating system like Windows 10, mac OS, or Linux.
The form of the traditional laptop computer is a clamshell, with a screen on one of its inner sides and a keyboard on the opposite, facing the screen.
It can be easily folded to conserve space while traveling.