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  2. Binary search - Wikipedia

    en.wikipedia.org/wiki/Binary_search

    Binary search Visualization of the binary search algorithm where 7 is the target value Class Search algorithm Data structure Array Worst-case performance O (log n) Best-case performance O (1) Average performance O (log n) Worst-case space complexity O (1) Optimal Yes In computer science, binary search, also known as half-interval search, logarithmic search, or binary chop, is a search ...

  3. Executable and Linkable Format - Wikipedia

    en.wikipedia.org/wiki/Executable_and_Linkable_Format

    Many executable binary formats An ELF file has two views: the program header shows the segments used at run time, whereas the section header lists the set of sections . In computing , the Executable and Linkable Format [ 2 ] ( ELF , formerly named Extensible Linking Format ) is a common standard file format for executable files, object code ...

  4. Executable - Wikipedia

    en.wikipedia.org/wiki/Executable

    In computer science, executable code, an executable file, or an executable program, sometimes simply referred to as an executable or binary, causes a computer "to perform indicated tasks according to encoded instructions", [2] as opposed to a data file that must be interpreted by an interpreter to be functional. [3]

  5. Execution (computing) - Wikipedia

    en.wikipedia.org/wiki/Execution_(computing)

    Executable code, an executable file, or an executable program, sometimes simply referred to as an executable or binary, is a list of instructions and data to cause a computer "to perform indicated tasks according to encoded instructions", [1] as opposed to a data file that must be interpreted by a program to be meaningful.

  6. Search algorithm - Wikipedia

    en.wikipedia.org/wiki/Search_algorithm

    Specific applications of search algorithms include: Problems in combinatorial optimization, such as: . The vehicle routing problem, a form of shortest path problem; The knapsack problem: Given a set of items, each with a weight and a value, determine the number of each item to include in a collection so that the total weight is less than or equal to a given limit and the total value is as ...

  7. Machine code - Wikipedia

    en.wikipedia.org/wiki/Machine_code

    SQUOZE was a compressed binary form of assembly language code and included a symbol table. Modern IBM mainframe operating systems, such as z/OS, have available a symbol table named Associated data (ADATA). The table is stored in a file that can be produced by the IBM High-Level Assembler (HLASM), [18] IBM's COBOL compiler, [19] and IBM's PL/I ...

  8. Object file - Wikipedia

    en.wikipedia.org/wiki/Object_file

    DOS and Windows also have different file formats for executable files and object files, such as Portable Executable for executables and COFF for object files in 32-bit and 64-bit Windows. Unix and Unix-like systems have used the same format for executable and object files, starting with the original a.out format. Some formats can contain ...

  9. Shebang (Unix) - Wikipedia

    en.wikipedia.org/wiki/Shebang_(Unix)

    The shebang is actually a human-readable instance of a magic number in the executable file, the magic byte string being 0x23 0x21, the two-character encoding in ASCII of #!. This magic number is detected by the "exec" family of functions, which determine whether a file is a script or an executable binary. The presence of the shebang will result ...