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Glossary
work bit A bit in a work word.
work word A word that can be used for data calculation or other manipulation in program-
ming, i.e., a ‘work space’ in memory. A large portion of the IR area is always
reserved for work words. Parts of other areas not required for special purposes
may also be used as work words.
write protect switch A switch used to write-protect the contents of a storage device, e.g., a floppy
disk. If the hole on the upper left of a floppy disk is open, the information on this
floppy disk cannot be altered.
write-protect A state in which the contents of a storage device can be read but cannot be
altered.
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