downleveln.adj.

Brit.

/ˌdaʊnˈlɛvl/, U.S.

/ˈdaʊnˌlɛv(ə)l/

Origin: Formed within English, by compounding. Etymons: down adj., level n.

Etymology: < down adj. + level n.

A. n.

Electronics and Computing. In certain methods of implementing logic in circuit boards: a voltage level at which a signal represents ‘0’. Now rare.

ΚΠ

1957 Proc. Eastern Joint Computer Conf. 1956 66/1 If one or more inputs to either A or B or C are at their down level, these transistors will conduct the current I.

1974 G. G. Langdon Logic Design i. 36 The actual ‘down-level’ (logical 0) of a circuit..is influenced mainly by a ‘voltage divider’ effect.

B. adj.

1. Electronics and Computing. In certain methods of implementing logic in circuit boards: designating a voltage that represents ‘0’; (also) of or relating to such a signal. Now rare.

ΚΠ

1968 IBM Jrnl. Res. & Devel. 12 290/1 (table) Dc Supply Monitors... Means for monitoring fixture dc voltages or up and down level voltages.

1972 IEEE Jrnl. Solid-state Circuits 7 246/1 It is also important to examine the impact of device fabrication tolerances on the down-level output signal.

2. Computing. Designating a program or piece of software whose version is older than the most current. In later use sometimes also: designating an internet browser which is incompatible with certain features of dynamic web pages and applications.

ΚΠ

1987 Yet More A1000->A2000 Upgrade Questions in comp.sys.amiga (Usenet newsgroup) 2 Oct. The retailers have no real insentive [sic] to ask the software houses to upgrade their down level programs.

2002 S. Mitchell et al. ASP.NET iv. 165 For downlevel browsers, HTML 3.2 is rendered without client-side JavaScript support.

2016 E. Diehl Ten Laws for Security Appendix B 234 Downlevel software is vulnerable.

This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022).

单词	downlevel
释义	downleveln.adj. Brit. /ˌdaʊnˈlɛvl/, U.S. /ˈdaʊnˌlɛv(ə)l/ Origin: Formed within English, by compounding. Etymons: down adj., level n. Etymology: < down adj. + level n. A. n. Electronics and Computing. In certain methods of implementing logic in circuit boards: a voltage level at which a signal represents ‘0’. Now rare. ΚΠ 1957 Proc. Eastern Joint Computer Conf. 1956 66/1 If one or more inputs to either A or B or C are at their down level, these transistors will conduct the current I. 1974 G. G. Langdon Logic Design i. 36 The actual ‘down-level’ (logical 0) of a circuit..is influenced mainly by a ‘voltage divider’ effect. B. adj. 1. Electronics and Computing. In certain methods of implementing logic in circuit boards: designating a voltage that represents ‘0’; (also) of or relating to such a signal. Now rare. ΚΠ 1968 IBM Jrnl. Res. & Devel. 12 290/1 (table) Dc Supply Monitors... Means for monitoring fixture dc voltages or up and down level voltages. 1972 IEEE Jrnl. Solid-state Circuits 7 246/1 It is also important to examine the impact of device fabrication tolerances on the down-level output signal. 2. Computing. Designating a program or piece of software whose version is older than the most current. In later use sometimes also: designating an internet browser which is incompatible with certain features of dynamic web pages and applications. ΚΠ 1987 Yet More A1000->A2000 Upgrade Questions in comp.sys.amiga (Usenet newsgroup) 2 Oct. The retailers have no real insentive [sic] to ask the software houses to upgrade their down level programs. 2002 S. Mitchell et al. ASP.NET iv. 165 For downlevel browsers, HTML 3.2 is rendered without client-side JavaScript support. 2016 E. Diehl Ten Laws for Security Appendix B 234 Downlevel software is vulnerable. This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022). < n.adj.1957
随便看	overschippen overscorch overscore overscored overscores overscoring overscour overscourge overscratch overscrawl overscrawled overscream overscreen overscribble overscrub overscruple overscrupulosity overscrupulous overscrupulousness overscrutinous oversculpture overscurf overscutched overscutched housewife oversea