usually include the data processed

by programs unless this is in a format such as multimedia which depends on the use of computers for its presentation. This distinction becomes unclear in cases such as spread sheets which can contain both instructions (formulae and macros) and data. There are also various intermediate compiled or semi-compiled, forms of software such as library files and byte-code.

Some claim that documentation (both paper and electronic) is also software. Others go further and define software to be programs plus documentation though this does not correspond with common usage.

The noun "program" describes a single, complete and more-or-less self-contained list of instructions, often stored in a single file, whereas "code" and "software" are uncountable nouns describing some number of instructions which may constitute one or more programs or part thereof. Most programs, however, rely heavily on various kinds of operating system software for their execution. The nounds "code" and "software" both refer to the same thing but "code" tends to suggest an interest in the implementation details whereas "software" is more of a user's term.

Last updated: 2002-07-21

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usually include the data processed The noun "program" describes a single, complete and

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