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Online Arithmetic

  • Richard Hartley
  • Keshab K. Parhi
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 316)

Abstract

The topic of most-significant-digit-first (msd-first) serial arithmetic has been discussed in the literature of computer arithmetic for many years starting with the paper of Avizienis in 1961 ([90]). The basic idea can also be applied to the design of parallel arithmetic cells for avoiding ripple-carry propagation. It relies on the use of a redundant format number representation to allow serial operations to proceed in a most-significant-bit first mode. The particular number representation used is also called signed-digit number representation and computation using signed-digit number representations and msd-first serial arithmetic has come to be known as online arithmetic.

Keywords

Clock Cycle Partial Product Redundant Representation Redundant Number Input Operand 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1995

Authors and Affiliations

  • Richard Hartley
    • 1
  • Keshab K. Parhi
    • 2
  1. 1.General Electrical CRDUSA
  2. 2.University of MinnesotaUSA

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