Simplex meaning

sĭmplĕks
A Euclidean geometric spatial element having the minimum number of boundary points, such as a line segment in one-dimensional space, a triangle in two-dimensional space, or a tetrahedron in three-dimensional space.
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Consisting of or marked by only one part or element.
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Of or relating to a telecommunications system in which only one message can be sent in either direction at one time.
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A word that has no affixes and is not part of a compound; a simple word.
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Having only one part; not complex or compounded.
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Designating or of a system of telegraphy, telephony, etc. in which a signal can be transmitted in only one direction at a time.
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An element or figure contained within a Euclidean space of a specified number of dimensions and having one more boundary point than the number of dimensions (Ex.: a simplex of zero dimensions is a point, of one dimension is a line segment, of two dimensions is a triangle and its interior, of three dimensions is a tetrahedron and its interior)
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One way transmission. Contrast with half-duplex and full-duplex.
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A transmission path or circuit designed to support information transfer in one direction only. Physically, the circuit may be able to support duplex, or two-way, information transfer, but the equipment on either end will not allow it. In other words, the protocol is simplex. Burglar alarm, intrusion alarm, and fire alarm circuits are simplex in nature, as they are designed to support information transfer from a sensor to a central alarm answering point, but will not support information transfer in the reverse direction. It would be unwise to reset such an alarm remotely without a physical inspection. Rather, the cause of the alarm must be analyzed by a human being who is physically present at the alarm point.The human being can then reset the alarm locally.Two simplex circuits, one in each direction, can be used to provision a full duplex circuit, i.e., a circuit that supports simultaneous transmission in both directions. See also duplex, full duplex, half duplex, and protocol.
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A fiber optic transmission system (FOTS) using a single single-mode fiber (SMF) for transmission in both directions and perhaps supporting multiple wavelengths. Passive optical network (PON) standards, for example, include a simplex option. In this configuration, the downstream transmissions are supported in the 1480
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(telecommunications) Unidirectional.
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(geometry, algebraic topology) An analogue in any dimension of the triangle or tetrahedron: the convex hull of n+1 points in n-dimensional space.
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(linguistics) A simple word, one without affixes.
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Origin of simplex

  • Latin simple sem-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin

    From Wiktionary