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The structure of SYSTEM/360: Part I—Outline of the logical structure

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2 Author(s)

In the SYSTEM/36O logical structure, processing efficiency and versatility are served by multiple accumulators, binary addressing, bit-manipulation operations, automatic indexing, fixed and variable field lengths, decimal and hexadecimal radices, and floating-point as well as fixed-point arithmetic. The provisions for program interruption, storage protection, and flexible CPU states contribute to effective operation. Base-register addressing, the standard interface between channels and input/output control units, and the machine-language compatibility among models contribute to flexible configurations and to orderly system expansion.

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 Systems Journal  (Volume:3 ,  Issue: 2 )