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Definitions (190)

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pstn


Public Switched Telephone Network. The general phone network.
Source: ricoh.co.za

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paper tray


Removable cassette, where blank paper is stored for copying.
Source: ricoh.co.za

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parallel interface


[See IEEE1284] Parallel interface is a one or two-way interface that can transfer several different bits of information simultaneously. Transmission is several times faster via parallel than serial interface. Bi-directional parallel interfaces communicate in two different directions so they have the advantage of being able to let users know if some [..]
Source: ricoh.co.za

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semiconductor


A solid-state material in which, in contrast to metals and insulators: (i) electrical conductivity can be controlled by orders of magnitude by adding very small amounts of alien elements, (ii) electrical conductivity can be controlled not only by negatively charged electrons, but also by positively charged holes and (iii) electrical conductivity is [..]
Source: ricoh.co.za

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100baset


IEEE standard from proposals by the Fast Ethernet Alliance. It will support Category 3,4 & 5 UTP cabling. 
Source: ricoh.co.za

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10baset


A form of Ethernet and IEEE 802.3 network cabling using twisted pair cabling. It refers to 10Mbit/s speed Baseband transmission twisted pair cable with a maximum segment length of 100m. 
Source: ricoh.co.za

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a0 paper


ISO 216 standard papersize of 841 x 1189mm (technical drawings, posters) 
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a1 paper


ISO 216 standard papersize of 594 x 841mm (technical drawings, posters, flip charts) 
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a3 paper


ISO 216 standard papersize of 297 x 420mm (drawings, diagrams, large tables, supported by most copying machine in addition to A4) 
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a4 paper


ISO 216 standard papersize of 210 x 297mm   (letters, magazines, forms, catalogs, laser printer and copying machine output) 
Source: ricoh.co.za


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