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The Arithmetic Element of the IBM Type 701 Computer

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1 Author(s)
Harold D. Ross ; International Business Machines Corp., Engineering Lab., Poughkeepsie, N.Y.

The arithmetic element of the IBM Type 701 Computer contains a number of innovations, both in circuits and in logic, which distinguish it from that used in other high-speed, parallel, binary computers. The most significant of these is the storage element used in the arithmetic registers, in place of the more usual flip-flop or trigger circuit. Use of this new element enables a number of simplifications to be introduced in the methods of executing instructions.

Published in:

Proceedings of the IRE  (Volume:41 ,  Issue: 10 )