Posted on May 29, 2015
COL Signals Intelligence/Electronic Warfare
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Bubble memory is non-volatile computer memory utilizing magnetic material to establish magnetized domains that store one bit of data each. The domains are arranged in series via parallel tracks that produce bubbles transferring via an external magnetic field. The bubbled domains are then interpreted, as they transfer along parallel tracks in series, via a conventional magnetic transport and are then rewritten along the farthest instance of a parallel track in series as each memory instance cycles along parallel tracks in series. Bubble memory, offering memory density similar to conventional hard drives and core memory performance, can be considered a high performance universal computer memory product of the past. Although a high performance universal memory of the 1970s and 1980s, flash RAM and similar more advanced memory technologies superseded it. In requiem.
Posted in these groups: Dddbf719 Computers
Edited >1 y ago
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SFC Joseph James
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I speak English pretty well and you Sir, did NOT speak it in your question! lol
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LTC John Shaw
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What event transpired to cause your bubble memory post?

Or

Are you wistfully thinking of long I/O wait time while your CPU sits idle...
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COL Signals Intelligence/Electronic Warfare
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Yes. The ebb and tide of the technological revolutions of the 1980's heralded bubble memory as a revolutionary technology to replace all other forms of memory. Unlike semiconductor memory, bubble memory introduced sequential access rather than random access. Although conceptually a magnetic disk and drive, it retained no moving parts. Instead of a moving disk, the bits moved. Simply considering its utilization in current U.S. military tactical equipment requiring ruggedness, non-volatility, and a redundant ability to withstand the photoelectric effects of a battlefield nuclear event. Non-volatility is critical in reducing wait times produced by electromagnetic pulse when considering I/O wait times in battlefield electronics.
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LTC John Shaw
LTC John Shaw
>1 y
Bubble memory is no Flash(or SRAM) in the pan overnight success...long live bubble memory!

Here is a link better explain the history for non-tech types...
http://www.dvorak.org/blog/whatever-happened-to-bubble-memory
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CPT Ahmed Faried
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Sir this is over my head. I'm just going to nod like I understand.
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