specification of quantity
41Printed circuit board — Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through hole paths to the other surface), and some mounted electrical components A printed circuit board, or PCB, is used to… …
42Human factors — For other uses, see The Human Factor (disambiguation). Research subject in a human fatigue study. Human factors science or human factors technologies is a multidisciplinary field incorporating contributions from psychology, engineering,… …
43Advanced Communications Riser — The Advanced Communications Riser, or ACR, is a form factor and technical specification for PC motherboard expansion slots. It is meant as a supplement to PCI slots, a replacement for Audio/modem riser (AMR) slots, and a competitor and… …
44Pakistani rupee — پاکستانی روپیہ (Urdu) …
45Department of Defense Architecture Framework — DoD Architecture Framework.[1] The Department of Defense Architecture Framework (DoDAF) is an architecture framework for the United States Department of Defense, that provides structure for a specific stakeholder concern through viewpoints… …
46Representation term — A representation term is a word, or a combination of words, that semantically represent the data type (value domain) of a data element. A representation term is commonly referred to as a class word by those familiar with data dictionaries.… …
47Genomic Standards Consortium — The Genomic Standards Consortium (GSC)= The [http://gensc.org Genomic Standards Consortium] is an initiative working towards richer descriptions of our collection of genomes and metagenomes. Established in September 2005, this international… …
48df (Unix) — df (abbreviation for disk free) is a standard Unix computer program used to display the amount of available disk space for filesystems on which the invoking user has appropriate read access. df is usually implemented by reading the mtab file or… …
49HSL and HSV — Fig. 1. HSL (a–d) and HSV (e–h). Above (a, e): cut away 3D models of each. Below: two dimensional plots showing two of a model’s three parameters at once, holding the other constant: cylindrical shells (b, f) of constant saturation, in this case… …
50Production function — Graph of Total, Average, and Marginal Product In microeconomics and macroeconomics, a production function is a function that specifies the output of a firm, an industry, or an entire economy for all combinations of inputs. This function is an… …
