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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.
R2E CCMC Portal laptop in September 1980 at the SICOB show in PARIS. The portable micro computer; the "Portal" of the French company R2E Micral CCMC officially appeared in September 1980 at the Sicob show in Paris. The Portal was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E ...
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.
Timeline showing releases of Windows for personal computers and servers. Microsoft Windows is a computer operating system developed by Microsoft.It was first launched in 1985 as a graphical operating system built on MS-DOS.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
In computing, 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.
An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display and a keyboard (mouse not shown). A personal computer, often referred to as a PC, is a computer designed for individual use. [1]