Write-once

Write-once, read-many (WORM) Tag A tag that can be part or totally programmed once by the user and afterward only read.
Found on http://www.wordinfo.info/words/index/info/view_unit/3991/10

Write-once

[cache coherence] In cache coherency protocol literature, Write-Once was the first write-invalidate protocol defined. It has the optimization of executing write-update on the first write and a write-invalidate on all subsequent writes, reducing the overall bus traffic in consecutive writes to the computer memory. It was first described by J...
Found on http://en.wikipedia.org/wiki/Write-once_(cache_coherence)
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