Binary Arithmetic for DNA Computers

  • Authors:
  • Rana Barua;Janardan Misra

  • Affiliations:
  • -;-

  • Venue:
  • DNA8 Revised Papers from the 8th International Workshop on DNA Based Computers: DNA Computing
  • Year:
  • 2002

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Abstract

We propose a (recursive) DNA algorithm for adding two binary numbers which require O(log n) bio-steps using only O(n) different type of DNA strands, where n is the size of the binary string representing the largest of the two numbers. The salient feature of our technique is that the input strands and the output strands have exactly the same structure which makes it fully procedural unlike most methods proposed so far. Logical operations of binary numbers can easily be performed by our method and hence can be used for cryptographic purpose.