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  2. Lookup table - Wikipedia

    en.wikipedia.org/wiki/Lookup_table

    LUTs differ from hash tables in a way that, to retrieve a value with key , a hash table would store the value in the slot () where is a hash function i.e. is used to compute the slot, while in the case of LUT, the value is stored in slot , thus directly addressable.

  3. Input Field Separators - Wikipedia

    en.wikipedia.org/wiki/Input_Field_Separators

    If IFS has a value other than the default, then sequences of the whitespace characters space and tab are ignored at the beginning and end of the word, as long as the whitespace character is in the value of IFS (an IFS whitespace character). Any character in IFS that is not IFS whitespace, along with any adjacent IFS whitespace characters ...

  4. LibreOffice - Wikipedia

    en.wikipedia.org/wiki/LibreOffice

    Bibliography entries can be edited directly from a bibliography table, and bibliography marks hyperlink by default to the matching row in a bibliography table; Highlighting for used paragraph and character styles and direct formatting in text; Phrase checking: multi-word dictionary items of Hunspell and custom dictionaries are now accepted; Calc

  5. Iterated function system - Wikipedia

    en.wikipedia.org/wiki/Iterated_function_system

    IFS fractals are more related to set theory than fractal geometry. [1] They were introduced in 1981. IFS fractals, as they are normally called, can be of any number of dimensions, but are commonly computed and drawn in 2D. The fractal is made up of the union of several copies of itself, each copy being transformed by a function (hence "function ...

  6. Conditional (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Conditional_(computer...

    If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.

  7. Table (database) - Wikipedia

    en.wikipedia.org/wiki/Table_(database)

    In a database, a table is a collection of related data organized in table format; consisting of columns and rows.. In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect. [1]

  8. Four-valued logic - Wikipedia

    en.wikipedia.org/wiki/Four-valued_logic

    A four-valued logic was established by IEEE with the standard IEEE 1364: It models signal values in digital circuits. The four values are 1, 0, Z and X. 1 and 0 stand for Boolean true and false, Z stands for high impedance or open circuit and X stands for don't care (e.g., the value has no effect).

  9. Installable File System - Wikipedia

    en.wikipedia.org/wiki/Installable_File_System

    IFSHLP.SYS (the Installable File System Helper) is an MS-DOS device driver that was first released as part of Microsoft Windows for Workgroups 3.11. It enables native 32-bit file access in Windows 386 Enhanced Mode by bypassing the 16-bit DOS API and ensuring that no other real mode driver intercepts INT 21h calls.