he programmable aspects of computer hardware have not changed much since the 1950s. Computers still have numerical operations, and numerical addresses by which data may be accessed. However, programmers now use high-level languages, which look much more like English than a string of numbers or operation codes. See also Numbering systems; Numerical representation (computers); Programming languages.
Well-known programming languages include Basic, Java, and C. Basic has been modified into Visual Basic, a language useful for writing the portion of a program that the user “talks to” (i.e., the user interface or graphical user interface or GUI). Java is especially useful for creating software that runs on a network of computers. C and C++ are powerful but complex languages for writing such software as systems software and games. See also Human-computer interaction; Local-area networks; Wide-area networks.
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