Laptop

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Laptop

A laptop (also known as a notebook) is a personal computer designed for mobile use. A laptop integrates most of the typical components of a desktop computer, including a display, a keyboard, a pointing device (such as a touchpad), and speakers into a single unit. A laptop is powered by mains electricity via an AC adapter, and can be used away from an outlet using a rechargeable battery.

History

The history of laptops describes the efforts, primarily begun in the 1970s and 1980s, to build small, portable personal computers that combine the components, inputs, outputs and capabilities of a desktop computer in a small chassis.

Design

The design of laptops is centered around the idea of portability, and thus they are usually more compact than desktop computers.

Components

A laptop's main components are the same as those of a desktop computer, but they are integrated in a more compact, portable format.

Display

The display is the main interface between the user and the computer. The two main types of displays for laptops are LCD and LED display.

Keyboard

The keyboard is the main input device for the laptop. It is usually built into the same case as the display.

Pointing device

The pointing device, often a touchpad or trackpad, is used to control the position of the cursor on the screen.

Speakers

Speakers are used for audio output. They are usually built into the laptop.

Power supply

Laptops are powered by mains electricity via an AC adapter, and can be used away from an outlet using a rechargeable battery.

See also

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  • Laptop

  • Alan Kay and the prototype of Dynabook

  • IBM 5100

  • Epson HX-20

  • GRiD Compass 1101

  • Zenith supersPORT

  • Compaq Armada 7800

  • Macbook Air

  • Lenovo Ideapad 300

  • ThinkPad X220

  • Asus Transformer Pad TF701T

  • Microsoft Surface Pro 3

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Contributors: Prab R. Tumpati, MD