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An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.
ThinkPad is a line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, developed and marketed by International Business Machines (IBM) until it sold its PC business to Lenovo in 2005; since 2007, all new ThinkPad models have been branded Lenovo instead [5] and the Chinese manufacturer has continued to develop and sell ThinkPads to the present day.
External power supply could send data about itself (power, current and voltage ratings) to the computer. For example, genuine Dell power source uses 1-Wire protocol to send data by third wire to the laptop. The laptop then refuses a non-matching adapter. [35] Some computers use a single-voltage 12 V power supply.
If Microsoft won't fix what's wrong with Windows, maybe the system builders will. The world's largest software specialist heard users complaining about the user interface of its Windows 8 desktop ...
The first laptop with X1 branding was the ThinkPad X1 – the 13-inch sub-compact model, the thinnest and fastest charging business laptop at the time of release in 2011. [5] In contrast with previous 13-inch X series model (X301), it has only one RAM slot and only one storage slot.
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Lenovo Group Limited, trading as Lenovo (/ l ə ˈ n oʊ v oʊ / lə-NOH-voh, Chinese: 联想; pinyin: Liánxiǎng), is a Chinese [9] multinational technology company specializing in designing, manufacturing, and marketing consumer electronics, personal computers, software, servers, converged and hyperconverged infrastructure solutions, and related services. [5]
We’ve all been there: You're enjoying a snack, and your dog is giving you the look.You know the one—those big, soulful eyes silently begging for a bite of whatever you’re eating.