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Double Input–Double Output Systems

Some molecular logic systems with double inputs and double outputs serve important arithmetic functions. These are the half-adders and half-subtractors, including bidirectional versions where appropriate. Molecular number processing begins here. Magnitude comparators are also featured. Although the 1:2 demultiplexer is briefly mentioned, it is held back for proper discussion with its counterpart 2:1 multiplexer in Chapter 10. Some reversible logic aspects of bidirectional half-subtractors are also noted.

Print publication date: 29 Nov 2012
Copyright year: 2012
Print ISBN: 978-1-84973-148-5
PDF eISBN: 978-1-84973-302-1