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单词 write-protected
释义

write-protectedadj.

Brit. /ˌrʌɪtəprəˈtɛktᵻd/, U.S. /ˌraɪtprəˈtɛktəd/
Origin: Formed within English, by compounding. Etymons: write v., protected adj.
Etymology: < write v. + protected adj. Compare write-protect v. and earlier write protection n.
Computing.
Of a disc or storage device: containing data which is protected from being modified or deleted by a physical mechanism or software setting. Also of such data: protected in this way.Quot. 1967 shows a compound of read and write with protected.
ΚΠ
1967 Proc. AFIPS Conf. 31 415/2 The same mechanism can be used to handle access to subscripted variables, indirect addressing, parameters, and read and write protected memory.]
1968 U.S. Patent 3,377,624 5 A trap occurs when an instruction from a non-privileged block attempts to write into a write-protected block.
1979 Unix Programmer's Man. (ed. 7) I. 123 in cm.bell-labs.com (O.E.D. Archive) Physically write-protected and magnetic tape file systems must be mounted read-only or errors will occur when access times are updated.
2005 M. J. Atallah et al. in A. S. Patrick & M. Yung Financial Cryptogr. & Data Security 360 Reference data is write-protected but could be read by insiders, spyware, etc.
2015 @nkndinesh 9 Oct. in twitter.com (accessed 15 Oct. 2020) How to erase a write-protected USB stick and format a write-protected SD card.
This entry has been updated (OED Third Edition, December 2021).
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adj.1968
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