Talk:IBM 2260

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This does not make much sense without a lot more explanation

> stored the digital image of screens of information in a "delay line." > The central controller system vibrated the electromagnet > a fraction of a second later, the other end of the mechanical wire would vibrate > The vibration was converted to raster scan lines

It is like storing data on a long microwave link (also done, in the 40s or 50s). But if one doesn't indicate if there is a multiplicity of e.g. time slotted pickups for different terminals AND that the pickup feeds back to the voice coil to keep memory alive, the question arises: why on earth? Why the delay? Why not electrical signal straight to VDU?

AND, where is the delay line? In the terminal? One at each port in the controller? Where did the multiplexing take place? Ahead of each dedicated delay line memory? Or downstream from it? In the time domain?

> The IBM 2848 delay line was a continuous electromechanical feedback loop.

NO. A delay line is a FIFO device. Open ended. No loop. Where is the loop? — Preceding unsigned comment added by Spamhog (talk • contribs) 11:46, 1 October 2011 (UTC)[reply]