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  2. National Christmas Tree (United States) - Wikipedia

    en.wikipedia.org/wiki/National_Christmas_Tree...

    The National Christmas Tree is a large evergreen tree located in the northeast quadrant of the Ellipse near the White House in Washington, D.C. Each year since 1923, the tree has been decorated as a Christmas tree. Every year, early in December, the tree is traditionally lit by the President and First Lady of the United States.

  3. Active Directory Federation Services - Wikipedia

    en.wikipedia.org/wiki/Active_Directory...

    Active Directory Federation Services. Active Directory Federation Services (ADFS), a software component developed by Microsoft, can run on Windows Server operating systems to provide users with single sign-on access to systems and applications located across organizational boundaries. It uses a claims-based access-control authorization model to ...

  4. Tree (data structure) - Wikipedia

    en.wikipedia.org/wiki/Tree_(data_structure)

    Binary trees are a commonly used type, which constrain the number of children for each parent to at most two. When the order of the children is specified, this data structure corresponds to an ordered tree in graph theory. A value or pointer to other data may be associated with every node in the tree, or sometimes only with the leaf nodes ...

  5. Devicetree - Wikipedia

    en.wikipedia.org/wiki/Devicetree

    Devicetree. In computing, a devicetree (also written device tree) is a data structure describing the hardware components of a particular computer so that the operating system 's kernel can use and manage those components, including the CPU or CPUs, the memory, the buses and the integrated peripherals . The device tree was derived from SPARC ...

  6. Arbutus unedo - Wikipedia

    en.wikipedia.org/wiki/Arbutus_unedo

    Arbutus turbinata Pers. ex Rchb. Arbutus unedo, commonly known as strawberry tree, or chorleywood in the United Kingdom, is an evergreen shrub or small tree in the family Ericaceae, native to the Mediterranean Basin and Western Europe. The tree is well known for its fruits, the arbutus berry, which bear some resemblance to the strawberry, hence ...

  7. Drive letter assignment - Wikipedia

    en.wikipedia.org/wiki/Drive_letter_assignment

    MS-DOS command prompt with drive letter C as part of the current working directory. In computer data storage, drive letter assignment is the process of assigning alphabetical identifiers to volumes. Unlike the concept of UNIX mount points, where volumes are named and located arbitrarily in a single hierarchical namespace, drive letter ...

  8. Pyrophyte - Wikipedia

    en.wikipedia.org/wiki/Pyrophyte

    Pyrophyte. Pyrophytes are plants which have adapted to tolerate fire . Fire acts favourably for some species. "Passive pyrophytes" resist the effects of fire, particularly when it passes over quickly, and hence can out-compete less resistant plants, which are damaged. "Active pyrophytes" have a similar competing advantage to passive pyrophytes ...

  9. Bixa orellana - Wikipedia

    en.wikipedia.org/wiki/Bixa_orellana

    Bixa orellana is a perennial, tall shrub to small evergreen tree that can reach 6–10 m (20–33 ft) high. [3] [4] [6] It bears clusters of 5 cm (2 in) bright white or pink flowers, resembling single wild roses, that appear at the tips of the branches. [3] The fruits of the Bixa orellana are globular, ovoid capsules arranged in clusters ...