PPRuNe Forums - Bubble memory

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Carpass

19th December 2002 19:29

Bubble memory

What is bubble memory? Is it
a. A magnetic disk
b. A magnetic core
c. Loops of magnetic materiel?

twistedenginestarter

19th December 2002 21:12

It was a solid state device where regions of magnetization were constantly being moved through the device rather like you did in CCDs (nowadays used for digital cameras I think). You waited until your data came pass the "read head" and then read it off. It was however non-volatile. Switch the power off and your data stays in place.

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