logical

  • 101Logical Volume Manager (Linux) — LVM is a logical volume manager for the Linux kernel: it manages disk drives and similar mass storage devices, in particular large ones. The term volume refers to a disk drive or part thereof. It was originally written in 1998 by Heinz… …

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  • 102Logical equality — For the corresponding concept in combinational logic, see XNOR gate. XNOR Logic Gate Symbol Logical equality is a logical operator that corresponds to equality in Boolean algebra and to the logical biconditional in propositional calculus. It… …

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  • 103Logical NOR — This article is about NOR in the logical sense. For the electronic gate, see NOR gate. For other uses, see Nor. Venn diagram of In boolean logic, logical nor or joint denial is a truth functional operator which produces a result that is the… …

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  • 104Logical disk — A logical disk is a device that provides an area of usable storage capacity on one or more physical disk drive components in a computer system. Other terms that are used to mean the same thing are partition, logical volume, and in some cases a… …

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  • 105Logical implication — In logic and mathematics, logical implication is a logical relation that holds between a set T of formulae and a formula B when every model (or interpretation or valuation) of T is also a model of B . In symbols,# T models B, # T Rightarrow B # T …

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  • 106Logical constant — In symbolic logic, a logical constant of a language L is a symbol that has the same semantic value in all models of (the expressions of) L . Two important types of logical constants are logical connectives and quantifiers. The equality predicate… …

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  • 107Logical framework approach — This article is about the management tool. For the automated theorem proving approach, see logical framework. The Logical Framework Approach (LFA) is a management tool mainly used in the design, monitoring and evaluation of international… …

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  • 108Logical Disk Manager — The Logical Disk Manager (diskmgmt.msc) is an implementation of a logical volume manager for Microsoft Windows NT, developed by Microsoft and Veritas Software. It was introduced with the Windows 2000 operating system, and is supported in Windows… …

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  • 109Logical data model — A logical data model also referred to as LDM in computer science is a representation of an organization s data, organized in terms of a particular data management technology. When ANSI first laid out the idea of a logical schema (in 1975 [1] ),… …

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  • 110Logical effort — The method of logical effort, a term coined by Ivan Sutherland and Robert Sproull in 1991, is a straightforward technique used to estimate delay in a CMOS circuit. Used properly, it can aid in selection of gates for a given function (including… …

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  • 111Logical shift — In computer science, a logical shift is a shift operator that shifts all the bits of its operand. Unlike an arithmetic shift, a logical shift does not preserve a number s sign bit or distinguish a number s exponent from its mantissa; every bit in …

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  • 112Logical spreadsheet — A logical spreadsheet is a spreadsheet in which formulas take the form of logical constraints rather than function definitions.In traditional spreadsheet systems, such as Excel, cells are partitioned into directly specified cells and computed… …

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  • 113Logical biconditional — In logic and mathematics, the logical biconditional (sometimes known as the material biconditional) is the logical connective of two statements asserting p if and only if q , where q is a hypothesis (or antecedent) and p is a conclusion (or… …

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  • 114Logical address — In Data Networks:In computer networks, a logical address refers to a network layer address such as an IP 192.168.1.1, an X.25/X.121 or IPX address.In Computer ArchitectureIn computer architectures, a logical address is the address at which a… …

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  • 115Logical extreme — A logical extreme is a logical construct that is often useful in testing hypotheses. The use of a logical extreme is often the simplest way to disprove an hypothesis. Quite simply, a logical extreme is the statement of an extreme or even… …

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  • 116Logical possibility — A logically possible proposition is one that can be asserted without implying a logical contradiction. This is to say that a proposition is logically possible if there is some coherent way for the world to be, under which the proposition would be …

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  • 117Logical Intuitive Extrovert — The Logical Intuitive Extrovert, LIE, ENTj, the Enterpriser, the Entrepreneur, Jack London, or types. The Logical Intuitive Extrovert is a rational, extroverted, dynamic type whose leading functions are extroverted logic and introverted intuition …

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  • 118Logical Unit Number — In computer storage, a logical unit number or LUN is simply the number assigned to a logical unit. A logical unit is a SCSI protocol entity, the only one which may be addressed by the actual input/output (I/O) operations. Each SCSI target… …

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  • 119logical relation — ▪ logic       those relations between the elements of discourse or thought that constitute its rationality, in the sense either of (1) reasonableness or (2) intelligibility. A statement may be perfectly intelligible without being based upon any… …

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  • 120Logical Journey Of The Zoombinis — The Logical Journey of the Zoombinis Developer(s) Brøderbund Software Publisher(s) …

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