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 ?
Secure: built-in write-protect switch prevents accidental data loss
The reversible software write-protect on four individual blocks, faster data rates and SMBus compatibility offers DRAM manufacturers added flexibility to enable new features in the high-speed PC, laptop and graphic card markets.
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.
Disks also have write-protect tabs and an OCR label.
Always use write-protect tabs to keep viruses off floppy disks and write-protected hard disks whenever possible.
What's equally advantageous is the physical write-protect switch, allowing you the added convenience of locking and unlocking your drive to protect valuable data from accidentally being overwritten.
Always write-protect any floppy diskette prior to inserting it into your computer unless you expect to write to that diskette.
The card provides consumers with the reliability and durability they need to capture photos anytime, anywhere, and includes a built-in write-protect switch to help prevent accidental data loss.
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.
Write-protect all diskettes to be used in this recovery other than those that will be used in backing up the hard disk.
In densities of 1K or 2 Kbits, these EEPROM devices are the first to support this low voltage level, and they are versatile enough to support two different write-protect features.