clock signaln.

Brit.

/ˈklɒk ˌsɪɡnl/, U.S.

/ˈklɑk ˌsɪɡn(ə)l/

Origin: Formed within English, by compounding. Etymons: clock n.¹, signal n.

Etymology: < clock n.¹ + signal n.

1. A signal serving to indicate the exact time, used to synchronize clocks in disparate locations.

ΚΠ

1847 Daily National Intelligencer (Washington) 9 Aug. Twenty clock signals were transmitted from Jersey City to Philadelphia, and the same number were returned.

1922 Proc. Amer. Philos. Soc. 61 135 An exchange of clock signals at intervals of six hours through one day.

2010 29th Internat. Conf. Computer Safety, Reliability, & Security 192 Most fixed systems of the road side infrastructure use DCF77, which is a clock signal transmitted periodically by a long wave transmitter near Braunschweig in Germany with a precision in the range of several milliseconds in Central Europe.

2. Electronics and Computing. The regularly oscillating signal produced by a clock generator (clock generator n.), used to synchronize the operations of a circuit, esp. in a computer's central processor.

ΚΠ

1952 Rev. Electronic Digital Computers: Joint AIEE-IRE Computer Conf., 1951 107/2 The transistor will trigger when the clock signal goes through ground.

1972 Adv. in Electronics & Electron Physics 31 102 The problem of measuring this interval precisely was solved..by counting a 20 MHz standard clock signal from a start light pulse to a stop light pulse.

2008 B. Zeidman in D. Ashby et al. Circuit Design xxviii. 937 The clock signal must arrive at each flip-flop in the design at about the same time and with very little delay from the input pin.

This entry has been updated (OED Third Edition, December 2020; most recently modified version published online March 2022).

单词	clock signal
释义	clock signaln. Brit. /ˈklɒk ˌsɪɡnl/, U.S. /ˈklɑk ˌsɪɡn(ə)l/ Origin: Formed within English, by compounding. Etymons: clock n.¹, signal n. Etymology: < clock n.¹ + signal n. 1. A signal serving to indicate the exact time, used to synchronize clocks in disparate locations. ΚΠ 1847 Daily National Intelligencer (Washington) 9 Aug. Twenty clock signals were transmitted from Jersey City to Philadelphia, and the same number were returned. 1922 Proc. Amer. Philos. Soc. 61 135 An exchange of clock signals at intervals of six hours through one day. 2010 29th Internat. Conf. Computer Safety, Reliability, & Security 192 Most fixed systems of the road side infrastructure use DCF77, which is a clock signal transmitted periodically by a long wave transmitter near Braunschweig in Germany with a precision in the range of several milliseconds in Central Europe. 2. Electronics and Computing. The regularly oscillating signal produced by a clock generator (clock generator n.), used to synchronize the operations of a circuit, esp. in a computer's central processor. ΚΠ 1952 Rev. Electronic Digital Computers: Joint AIEE-IRE Computer Conf., 1951 107/2 The transistor will trigger when the clock signal goes through ground. 1972 Adv. in Electronics & Electron Physics 31 102 The problem of measuring this interval precisely was solved..by counting a 20 MHz standard clock signal from a start light pulse to a stop light pulse. 2008 B. Zeidman in D. Ashby et al. Circuit Design xxviii. 937 The clock signal must arrive at each flip-flop in the design at about the same time and with very little delay from the input pin. This entry has been updated (OED Third Edition, December 2020; most recently modified version published online March 2022). < n.1847
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