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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.
The configuration of a computer is typically recorded in a configuration file. In modern computer systems, this is created and updated automatically as physical components are added or removed. Applications may assume that the configuration file is an accurate representation of the physical configuration and act accordingly.
A notebook computer or notebook is, historically, a laptop whose length and width approximate that of letter paper (8.5 by 11 inches or 220 by 280 millimetres). [ a ] The term notebook was coined to describe slab-like portable computers that had a letter-paper footprint, such as Epson 's HX-20 and Tandy 's TRS-80 Model 100 of the early 1980s.
An information technology system (IT system) is generally an information system, a communications system, or, more specifically speaking, a computer system — including all hardware, software, and peripheral equipment — operated by a limited group of IT users, and an IT project usually refers to the commissioning and implementation of an IT ...
Operating systems include the software that is always running, called a kernel—but can include other software as well. [6] [8] The two other types of programs that can run on a computer are system programs—which are associated with the operating system, but may not be part of the kernel—and applications—all other software. [8]
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 ...
Our lives are surrounded by PCs, Macs, smartphones, tablets and much more technology than we can handle at times. That’s why it’s essential to have the support whenever and wherever you need it. Our tech experts are on call to help you with all your technology needs.
Most computers are designed to be more powerful than their cooling system, but their sustained operations cannot exceed the capacity of the cooling system. [32] While performance can be temporarily increased when the computer is not hot ( overclocking ), [ 33 ] in order to protect the hardware from excessive heat, the system will automatically ...