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analyticalengine:retaingreadcell [2015-11-23 15:37]
rainer send complement to subtract, changed layout
analyticalengine:retaingreadcell [2015-11-29 09:55] (aktuell)
rainer [Memory Cell with Reataining Readout] Picture added
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 ====== Memory Cell with Reataining Readout ====== ====== Memory Cell with Reataining Readout ======
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 +{{ :​analyticalengine:​merac-model_151129.jpg?​direct&​300|}}
  
 Babbage'​s memory cell in the storage used a reduction-to-zero technique, so it was necessary to restore the values for a retaining read. Babbage'​s memory cell in the storage used a reduction-to-zero technique, so it was necessary to restore the values for a retaining read.
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 Note that the erasing readout is necessary too, or any other means to zero a storage cell, as writing adds digitwise, so the receiving cell must be zeroed, Note that the erasing readout is necessary too, or any other means to zero a storage cell, as writing adds digitwise, so the receiving cell must be zeroed,
 see my paper on [[lovelace_noteg_paper]]. see my paper on [[lovelace_noteg_paper]].
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 +The picture shows a working physical model of two cells: ​
  
 ===== Arrangement ===== ===== Arrangement =====

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