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4 layer Wallace reduction of an 8x8 partial product matrix, using 15 half adders (two dots) and 38 full adders (three dots). The dots in each column are bits of equal weight. A Wallace multiplier is a hardware implementation of a binary multiplier, a digital circuit that multiplies two integers.
Layers of protection analysis (LOPA) is a technique for evaluating the hazards, risks and layers of protection associated with a system, such as a chemical process plant. . In terms of complexity and rigour LOPA lies between qualitative techniques such as hazard and operability studies (HAZOP) and quantitative techniques such as fault trees and event trees.
Unlike Wallace multipliers that reduce as much as possible on each layer, Dadda multipliers attempt to minimize the number of gates used, as well as input/output delay. Because of this, Dadda multipliers have a less expensive reduction phase, but the final numbers may be a few bits longer, thus requiring slightly bigger adders.
The Anthony triangle [1] (also Anthony's triangle) is an organizational model. The triangle takes a hierarchical view of management structure, with many operational decisions at the bottom, some tactical decisions in the middle and few but important strategic decisions at the top of the triangle. The higher in the triangle an item is, the more ...
William James Reddin also known as Bill Reddin (May 10, 1930 – June 20, 1999) was a British-born management behavioralist, theorist, writer, and consultant.His published works examined and explained how managers in profit and non-profit organizations behaved under certain situations and conditions. [1]
Factory Physics [1] is a book written by Wallace Hopp and Mark Spearman, which introduces a science of operations for manufacturing management. According to the book's preface, Factory Physics is "a systematic description of the underlying behavior of manufacturing systems. Understanding it enables managers and engineers to work with the ...
The project management triangle. The project management triangle (called also the triple constraint, iron triangle and project triangle) is a model of the constraints of project management. While its origins are unclear, it has been used since at least the 1950s. [1] It contends that:
William A. Wallace (often referred to as William "Al" Wallace) [1] is an American systems and infrastructure engineering expert. He is professor at Rensselaer Polytechnic Institute in the department of decision sciences and engineering systems, and holds joint appointments in cognitive sciences and civil and environmental engineering.