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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.
Global PC sales fell sharply in the first quarter of 2013, according to IDC data. The 14% year-over-year decline was the largest on record since the firm began tracking in 1994, and double what analysts had been expecting. [85] [86] The decline of Q2 2013 PC shipments marked the fifth straight quarter of falling sales. [87] "This is horrific ...
Although Columbia Data Products' MPC 1600, "Multi Personal Computer" came out in the summer of 1982, [20] [21] one of the first extensively IBM PC compatible computers was the Compaq Portable. Eagle Computer then came out with their offering. [22] and Corona Data Systems's PPC-400., [23] the "portable" Hyperion Computer System. [24]
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.
Caching works by prefetching data before the CPU needs it, reducing latency. [55] [56] If the data the CPU needs is not in the cache, it can be accessed from main memory. [55] Cache memory is typically SRAM, while the main memory is typically DRAM. [27] RAM is volatile, meaning its contents will disappear if the computer powers down. [57]
The KiddiComp concept, envisioned by Alan Kay in 1968 while a PhD candidate, [2] [3] and later developed and described as the Dynabook in his 1972 proposal "A personal computer for children of all ages", [1] outlines the requirements for a conceptual portable educational device that would offer similar functionality to that now supplied via a laptop computer or (in some of its other ...
Surface Book was announced at the Windows 10 Devices Event by Microsoft on October 6, 2015, alongside the Surface Pro 4, and went on sale shortly thereafter. [7] At the announcement, Panos Panay, corporate vice president for Surface Computing at Microsoft, initially presented the device as a laptop and positioned it as a competitor to the MacBook Pro, before revealing that it was a hybrid ...
Companies that make super I/O controllers include Nuvoton (spun off from Winbond), [2] ITE Inc. , [2] [4] Fintek Inc. , [7] ENE Tech. (for laptop) and Microchip Technology (which bought SMSC™). National Semiconductor used to make super I/O controllers but sold that business to Winbond at 2005, which already had a competing super I/O ...