Abstract

This paper describes some “hidden” advantages that magnetic bubble memories have over disk systems because bubbles can be shifted bidirectionally and can be stopped. The resulting impact on the average access time, I/O priority, I/O software, interrupt handling, and the controller complexity of magnetic bubble memories are discussed. Additionally, a short description of the future memory hierarchy when magnetic bubbles are included is given. Finally, the most probable applications for magnetic bubbles have been outlined.

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