LYCOS RETRIEVER 
Interpreter (Computing)
built 670 days ago
This "compiled" code is then interpreted by a bytecode interpreter (itself written in C). The compiled code in this case is machine code for a virtual machine, which is implemented not in hardware, but in the bytecode interpreter. The same approach is used with the Forth code used in Open Firmware systems: the source language is compiled into "F code" (a bytecode), which is then interpreted by a virtual machine.
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This "compiled" code is then executed (interpreted) by abyte code interpreter(itself written inC). The compiled code in this case ismachine codefor avirtual machinewhich is implemented not in hardware but in the byte-code interpreter.
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Overloading allows multiple functions taking different types to be defined with the same name; the Compiler or Interpreter (computing) automatically calls the right one. This way, functions appending lists of integers, lists of strings, lists of real numbers, and so on could be written, and all be called append —and the right append function would be called based on the type of lists being appended. This differs from parametric polymorphism, in which the function would need to be written generically , to work with any kind of list. Using overloading, it is possible to have a function perform two completely different things based on the type of input passed to it; this is not possible with parametric polymorphism.
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The term "interpreter" often referred to a piece of unit record equipment that could read punched cards and print the characters in human-readable form on the card. The IBM 550 Numeric Interpreter and IBM 557 Alphabetic Interpreter are typical examples from 1930 and 1954, respectively.
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Interpreter (Computing)