<storage> A fundamental unit of storage in a computer. The
size of a word in a particular computer architecture is one of
its chief distinguishing characteristics.
The size of a word is usually the same as the width of the
computer's data bus so it is possible to read or write a
word in a single operation. An instruction is usually one or
more words long and a word can be used to hold a whole number
of characters. These days, this nearly always means a whole
number of bytes (eight bits), most often 32 or 64 bits. In
the past when six bit character sets were used, a word might
be a multiple of six bits, e.g. 24 bits (four characters) in
the ICL 1900 series.
(1994-11-11)
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