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Reversible computing

Author: Tommaso Toffoli; MASSACHUSETTS INST OF TECH CAMBRIDGE LAB FOR COMPUTER SCIENCE.
Publisher: Ft. Belvoir : Defense Technical Information Center, FEB 1980.
Edition/Format:   eBook : English
Database:WorldCat
Summary:
The theory of reversible computing is based on invertible primitives and composition rules that preserve invertibility. With these constraints, one can still satisfactorily deal with both functional and structural aspects of computing processes; at the same time, one attains a closer correspondence between the behavior of abstract computing systems and the microscopic physical laws (which are presumed to be strictly  Read more...
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Details

Material Type: Internet resource
Document Type: Internet Resource
All Authors / Contributors: Tommaso Toffoli; MASSACHUSETTS INST OF TECH CAMBRIDGE LAB FOR COMPUTER SCIENCE.
OCLC Number: 227441382
Description: 40 pages ; 23 x 29 cm

Abstract:

The theory of reversible computing is based on invertible primitives and composition rules that preserve invertibility. With these constraints, one can still satisfactorily deal with both functional and structural aspects of computing processes; at the same time, one attains a closer correspondence between the behavior of abstract computing systems and the microscopic physical laws (which are presumed to be strictly reversible) that underlie any concrete implementation of such systems. It has been integrated into a comprehensive picture a variety of concepts and results. According to a physical interpretation, the central result of this paper is that it is ideally possible to build sequential circuits with zero internal power dissipation. Even when these circuits are interfaced with conventional ones, power dissipation at the interface would be at most proportional to the number of input/output lines, rather than to the number of logic gates as in conventional computers.

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Primary Entity

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