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  2. DSL modem - Wikipedia

    en.wikipedia.org/wiki/DSL_modem

    Westell Model 6100 AXXDSL DSL router. A digital subscriber line (DSL) modem is a device used to connect a computer or router to a telephone line which provides the digital subscriber line (DSL) service for connection to the Internet, which is often called DSL broadband.

  3. Personal access token - Wikipedia

    en.wikipedia.org/wiki/Personal_access_token

    In computing, a personal access token (or PAT) is a string of characters that can be used to authenticate a user when accessing a computer system instead of the usual password.

  4. Dual lattice - Wikipedia

    en.wikipedia.org/wiki/Dual_lattice

    In the theory of lattices, the dual lattice is a construction analogous to that of a dual vector space.In certain respects, the geometry of the dual lattice of a lattice is the reciprocal of the geometry of , a perspective which underlies many of its uses.

  5. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card [1] or punched-card [2]) is a piece of card stock that stores digital data using punched holes.

  6. History of the transistor - Wikipedia

    en.wikipedia.org/wiki/History_of_the_transistor

    The "PNP point-contact germanium transistor" operated as a speech amplifier with a power gain of 18 in that trial. In 1956 John Bardeen , Walter Houser Brattain , and William Bradford Shockley were honored with the Nobel Prize in Physics "for their researches on semiconductors and their discovery of the transistor effect".

  7. Closest pair of points problem - Wikipedia

    en.wikipedia.org/wiki/Closest_pair_of_points_problem

    Closest pair of points shown in red. The closest pair of points problem or closest pair problem is a problem of computational geometry: given points in metric space, find a pair of points with the smallest distance between them.

  8. Windows Preinstallation Environment - Wikipedia

    en.wikipedia.org/wiki/Windows_Preinstallation...

    Windows Command Prompt: Gives command-line access to the file system, volumes and files. It can be used to run System File Checker (sfc /scannow) against an offline Windows installation and repair missing or corrupt files.

  9. Directory service - Wikipedia

    en.wikipedia.org/wiki/Directory_service

    In computing, a directory service or name service maps the names of network resources to their respective network addresses.It is a shared information infrastructure for locating, managing, administering and organizing everyday items and network resources, which can include volumes, folders, files, printers, users, groups, devices, telephone numbers and other objects.