Magnetic Core Memory Decoded is a detailed work describing the operation and development of a magnetic core memory system of the type originally implemented in the 1940's through to the 1960's. Core memory was a major stepping stone in the development of modern digital computer systems and is a fascinating technology which encompasses many engineering disciplines. A full explanation of the technology is provided from the basics of magnetic core flux responses through the design and implementation of circuits required to create a fully functional memory system. The system presented in this book is a non-trivial design and while it is relatively small in terms of its storage capacity it is still large enough to give the reader a full account of the technology and the amazing secrets of this technology. This book is a must for anyone interested in the history of computing or is simply interested in the development of engineering technology.

This book provides a detailed look at diode-steered linear magnetic-core memory, a groundbreaking technology for digital data storage that was developed in the mid-20th century. With technical illustrations and descriptions, it offers a fascinating glimpse into the history of computer memory technology. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

The GEOS Magnetic Memory Unit functions with the Memory Control Unit and the Optical Beacon System. The Memory Unit is a highly reliable, small size, low power spacecraft memory. The memory uses magnetic memory cores, and operates serially. It has a capacity of 1365 bits, and is organized into 65 - 21 bit words. The memory scans at a 22.750 bits/sec. rate, completing one scan per minute. Integrated circuits have been used for logic and timing where feasible. Magnetic core matrices have been used for memory addressing circuits. The complete memory occupies 70 cubic inches, weighs 950 grams and consumes less than 200 milliwatts. (Author).