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  2. ThinkPad T series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_T_Series

    Lenovo released the ThinkPad T60 and T60p laptops in February 2006. [16] While designed and manufactured by Lenovo, the T60 and the T60p still featured the IBM logo on the machines. [ 2 ] In May 2007, the T61 and T61p laptops slowly phased out IBM logos in favor of the ThinkPad logo. [ 17 ]

  3. ThinkPad - Wikipedia

    en.wikipedia.org/wiki/ThinkPad

    ThinkPad is a line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, created and manufactured 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 ...

  4. User error - Wikipedia

    en.wikipedia.org/wiki/User_error

    This usage implies a lack of computer savviness, asserting that problems arising when using a device are the fault of the user. Critics of the term argue that many problems are caused instead by poor product designs that fail to anticipate the capabilities and needs of the user. The term can also be used for non-computer-related mistakes.

  5. ThinkPad X1 series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_X1_series

    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.

  6. List of unsolved problems in computer science - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    NC = P problem The P vs NP problem is a major unsolved question in computer science that asks whether every problem whose solution can be quickly verified by a computer (NP) can also be quickly solved by a computer (P). This question has profound implications for fields such as cryptography, algorithm design, and computational theory.

  7. Electric car charging methods - Wikipedia

    en.wikipedia.org/wiki/Electric_car_charging_methods

    By determining the optimal charging current for each stage, the fuzzy controller is used to determine the charging current by the change in temperature. To sum up, this algorithm is based on a micro-controller or a computer. [6] The charging speed is faster and charging efficiency is higher than those of the CC/CV.

  8. Entscheidungsproblem - Wikipedia

    en.wikipedia.org/wiki/Entscheidungsproblem

    The origin of the Entscheidungsproblem goes back to Gottfried Leibniz, who in the seventeenth century, after having constructed a successful mechanical calculating machine, dreamt of building a machine that could manipulate symbols in order to determine the truth values of mathematical statements. [3]