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A laptop computer or notebook computer, also known as a laptop or notebook, is a small, portable personal computer (PC). Laptops typically have a clamshell form factor with a flat-panel screen on the inside of the upper lid and an alphanumeric keyboard and pointing device on the inside of the lower lid.
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Portable computers are also called a "transportable" or a "luggable" PC. A personal digital assistant (PDA) is a small, usually pocket-sized, computer with limited functionality. It is intended to supplement and to synchronize with a desktop computer, giving access to contacts, address book, notes, e-mail, and other features.
Some models of laptop computers have a detachable keyboard, which allows the system to be configured as a touch-screen tablet. They are sometimes called 2-in-1 detachable laptops or tablet-laptop hybrids. [39] Mobile phones are designed to have an extended battery life and light weight, while having less functionality than larger computers.
A 2-in-1 laptop, also known as 2-in-1 PC, 2-in-1 tablet, [1] laplet, [2] [3] tabtop, laptop tablet, or simply 2-in-1, is a portable computer that has features of both tablets and laptops. 2-in-1 PCs consist of portable computer components within light and thin chassis , and exemplify technological convergence .
An ultra-mobile PC, [1] or ultra-mobile personal computer (UMPC), is a miniature version of a pen computer, a class of laptop whose specifications were launched by Microsoft and Intel in Spring 2006. Sony had already made a first attempt in this direction in 2004 with its Vaio U series , which was only sold in Asia.
A computer file is a resource for recording data on a computer storage device, primarily identified by its filename.Just as words can be written on paper, so too can data be written to a computer file.
Dell found an opportunity among PC-savvy individuals who liked the convenience of buying direct, customizing their PC to their means, and having it delivered in days. In early 1997, Dell created an internal sales and marketing group dedicated to serving the home market and introduced a product line designed especially for individual users.