[TUHS] Clever code

Harald Arnesen skogtun at gmail.com
Wed Dec 14 09:02:56 AEST 2022


Douglas McIlroy [13/12/2022 16.10]:

> A delay line is logically like a drum, with circulating data that is
> accessible only at one point on the circle. A delay line was
> effectively a linear channel along which a train of data pulses was
> sent. Pulses received at the far end were reshaped electronically. and
> reinjected at the sending end. One kind of delay line was a mercury
> column that carried acoustic pulses.

And according to Alan Turing, it might have been implemented with Gin 
and Tonic.


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