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The first chapter of this commemorative issue is devoted to the subject of computer systems architecture and development. It contains eight papers dealing with different facets of the evolution of modern computer systems at IBM over approximately the last three decades, beginning with the design of an experimental electronic stored-program machine in 1949 and covering the latest principal extensions to IBM's computer products and systems—large, intermediate, and small. Also included are accounts of the technological advances made, over the same time period, in the areas of data communications, real-time systems, and reliability/ availability/serviceability (RAS).

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

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IBM Journal of Research and Development  (Volume:25 ,  Issue: 5 )