uptimen.

Brit.

/ˈʌptʌɪm/, U.S.

/ˈəpˌtaɪm/

Etymology: up adv.²

Computing.

Time when a computer or similar device is ‘up’ or able to function. Cf. up adv.² 13b.

ΘΚΠ

society > computing and information technology > [noun] > time when functioning

machine time1946

uptime1958

1958 Communications Assoc. Computing Machinery 1 23 Uptime is based on productive time vs scheduled time.

1970 IEEE Trans. Reliability XIX. 24/1 Expressions are given in the literature for the availability, mean~time-between-failures, mean uptime, and mean downtime for systems consisting of a number of identical modules in redundancy.

1982 What's New in Computing Nov. 5/4 The document transport system has been designed for maximum reliability and uptime.

This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2021).

单词	uptime
释义	uptimen. Brit. /ˈʌptʌɪm/, U.S. /ˈəpˌtaɪm/ Etymology: up adv.² Computing. Time when a computer or similar device is ‘up’ or able to function. Cf. up adv.² 13b. ΘΚΠ society > computing and information technology > [noun] > time when functioning machine time1946 uptime1958 1958 Communications Assoc. Computing Machinery 1 23 Uptime is based on productive time vs scheduled time. 1970 IEEE Trans. Reliability XIX. 24/1 Expressions are given in the literature for the availability, mean~time-between-failures, mean uptime, and mean downtime for systems consisting of a number of identical modules in redundancy. 1982 What's New in Computing Nov. 5/4 The document transport system has been designed for maximum reliability and uptime. This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2021). < n.1958
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