write protection

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write protection

[′rīt prə‚tek·shən]
(computer science)
Any procedure used to prevent writing on storage media.
Any software technique that allows a computer program to read from any area in storage but not to write outside its own area.
References in periodicals archive ?
The connectors include card detect and write-protect switch functions to enable secure downloading of digital data such as audio or image files.
Right now the terminals have a single hidden floppy with DOS and the control programs on them, and we usually write-protect the floppy.
When using floppy disks, always use the write-protect tabs whenever possible.
For example, a suspect program could be run in a test system or in a stand-alone personal computer with "write-protect" tabs on the diskettes.
Optional write-protect and hold pins are also commonly provided.
Although not primarily password protection programs, Lockit I (listed with write-protect programs) and Softsafe (listed with data encryption programs) also provide protection against starting the computer from another DOS disk.
Secure: built-in write-protect switch prevents accidental data loss
Disks also have write-protect tabs and an OCR label.
It operates in' both 3 V and 5 V systems, and it features a write-protect pin that can lock the positions of the potentiometers.
Always write-protect any floppy diskette prior to inserting it into your computer unless you expect to write to that diskette.
Write-protect all diskettes to be used in this recovery other than those that will be used in backing up the hard disk.