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In later computer systems, the BIOS contents are stored on flash memory so it can be rewritten without removing the chip from the motherboard. This allows easy, end-user updates to the BIOS firmware so new features can be added or bugs can be fixed, but it also creates a possibility for the computer to become infected with BIOS rootkits.
In the context of GPT on a BIOS-based computer, a BIOS boot partition is similar in some respects to the EFI system partition, which is used by systems based on EFI. The EFI System partition holds a filesystem and files used by the UEFI, while the BIOS boot partition is used in BIOS-based systems and accessed without a filesystem by holding raw ...
The only major competitor to Windows with more than a few percentage points of market share was Apple Inc.'s Macintosh. The Mac started out billed as "the computer for the rest of us", but high prices and closed architecture drove the Macintosh into an education and desktop publishing niche, from which it only emerged in the mid-2000s. By the ...
An HP Compaq laptop. In 2009, HP sold part of Compaq's former headquarters to the Lone Star College System. [134] On August 18, 2011, then-CEO of HP Léo Apotheker announced plans for a partial or full spinoff of the Personal Systems Group. The PC unit had the lowest profit margin although it accounted for nearly a third of HP's overall ...
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.
As of January 2023, on PCs, Windows is still the most popular operating system in all countries. [11] [3] However, in 2014, Microsoft admitted losing the majority of the overall operating system market to Android, [12] because of the massive growth in sales of Android smartphones. In 2014, the number of Windows devices sold was less than 25% ...
Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory independently of the central processing unit (CPU). [ 1 ] Without DMA, when the CPU is using programmed input/output , it is typically fully occupied for the entire duration of the read or write operation, and is thus ...
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