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how to store something

Discussion in 'General Electronics Discussion' started by Adi, Sep 15, 2012.

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  1. Adi


    Sep 15, 2012
    how to store some info in the form of electrons in any jar or container and the extract it and again it can be saved but condition is won't use any chips or tools built by other you have to build everything on your own.

    PLEASE HELPPPP........
  2. BobK


    Jan 5, 2010
  3. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    You can use any capacitor. The voltage across a capacitor is a measure of the charge stored within the capacitor: V=Q/C

    Theoretically you can store charge in chunks as small as on electron. Practically, due to tolerances, you need a change of a few tens or hindreds of millivolts to reliably discern different charge states of the capacitor. But a few states (e.g. 0, 1/4, 1/2, 3/4 and full charge) should be storable in one capacitor making 2 bit in this example.

    This is similar to how information is stored in a multilevel FLASH memory cell.
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