Omron CQM1H - PROGRAM Programming Manual page 593

work bit
work word
write protect switch
write-protect
568
Glossary
A bit in a 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.
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.
A state in which the contents of a storage device can be read but cannot be
altered.