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What is ferromagnetic memories ?

by HNM
Tags: ferromagnetic, memories
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Aug15-13, 09:13 AM
P: 7
What is ferromagetic memories ?

I need matter on this help me plz, searching so many webs cant get proper matter :(
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Aug15-13, 09:33 AM
Sci Advisor
HW Helper
PF Gold
P: 6,711
Try googling 'core memory'
Aug15-13, 09:38 AM
jtbell's Avatar
P: 11,857
Are you asking about what people usually called "core memory"?

Aug15-13, 09:49 AM
P: 853
What is ferromagnetic memories ?

In short it is like this , you have a wire going through an ferromagnetic ring, you can have two poles , pass the current in one way and you have N S pass it the other way and you have S N ,So for a given input you have either one or the other output , now insert the binary code in all of this and you get either 0 or 1.
have many of these wires going through many rings and you have many ones and zeros and now you can compute some information. + you can store it because the ferromagnetic piece if not distracted will stay at it's last state for a while (keeping it's magnetic polarity) atleast some materials tend to do this.

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