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[79] [80] It is also used to charge electric vehicles such as cars and to either charge or power transit vehicles like buses and trains. [ 57 ] However the fastest growing use is wireless charging pads to recharge mobile and handheld wireless devices such as laptop and tablet computers , computer mouse , cellphones , digital media players , and ...
Such high-charging rates are possible only with some battery types. Others will be damaged or possibly overheat or catch fire. Some batteries may even explode. [9] For example, an automobile SLI (starting, lighting, ignition) lead–acid battery carries several risks of explosion. A newer type of charger is known as a solid-state charger.
The project was known as "the $100 laptop", but it originally cost $130 for a bare-bones laptop, and then the price rose to $180 in the next revision. [11] The solid-state alternative to a hard drive was sturdy, which meant that the laptop could be dropped with a lower risk of breaking—although more laptops were broken than expected—but it ...
Texas Instruments sold its laptop business to Acer in 1997. Toshiba: Japan Dynabook, Libretto, Portégé, Satellite, Satellite Pro, Qosmio, T series, Tecra: Toshiba fully exited the personal computer and laptop business in June 2020, transferring the remaining 19.9 percent shares to Sharp Corporation, which now runs the business as Dynabook Inc ...
80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.
When a computer is in ACPI S3 sleep mode, only +5 V SB rail is used. There are two basic differences between AT and ATX power supplies: the connectors that provide power to the motherboard, and the soft switch. In ATX-style systems, the front-panel power switch provides only a control signal to the power supply and does not switch the mains AC ...
In March 2015, for the first time in the US the number of mobile-only adult internet users exceeded the number of desktop-only internet users with 11.6% of the digital population only using mobile compared to 10.6% only using desktop; this also means the majority, 78%, use both desktop and mobile to access the internet. [248]
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.Its nine provinces are bounded to the south by 2,798 kilometres (1,739 miles) of coastline that stretches along the South Atlantic and Indian Ocean; [15] [16] [17] to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; to the east and northeast by Mozambique and Eswatini ...