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Show new changes starting from 14:28, 23 April 2024

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23 April 2024

N 13:57

Glossary:Serialisation‎ diffhist +380‎ Philip talk contribs (Created page with "Serialisation is a name given to the practice of some manufacturers of assigning unique serial numbers to subsystems of a device such as a smart phone. A process only available to the manufacturer and authorised agents is then used to programme the serial numbers into the device and cause it to reject or limit the functionality of replacement parts such as screens or batteries.")

20 April 2024

			20:55		Glossary‎‎ 2 changes history +877‎ [Philip‎ (2×)]
					20:55 (cur \| prev) +779‎ Philip talk contribs (→‎Glossary of Terms)
					09:12 (cur \| prev) +98‎ Philip talk contribs (→‎Glossary of Terms)

N 20:14

Glossary:Gallium‎ diffhist +447‎ Philip talk contribs (Created page with "Gallium is a soft metal similar to aluminium but with a low melting point. In electronics, many compounds of gallium are semiconductors with useful properties. Gallium arsenide devices are able to operate at much higher frequencies than their silicon counterparts and so are widely used in mobile phones and satellite comunications. Various other gallium compounds are used in practically all visible and infra-red LEDs.")

N 19:48

Glossary:Silicon Carbide‎ diffhist +440‎ Philip talk contribs (Created page with "Silicon carbide (as carborundum) has long been used as an abrasive, but it is also a semiconductor with useful properties for high power applications. In recent years silicon carbide devices such as MOSFETs having higher voltage and power ratings than equivalent silicon devices have been increasingly used in applications such as EVs and power conversion.")

			N 19:28		Glossary:COM port‎‎ 2 changes history +399‎ [Philip‎ (2×)]
					19:28 (cur \| prev) +9‎ Philip talk contribs
			N		17:06 (cur \| prev) +390‎ Philip talk contribs (Created page with "A COM port is a serial interface port using a DB-9 connector, offered by virtally all home and personal computers before the advent of USB. Modern computers often still offer simulated COM ports over USB connections for interfacing to simple devices requiring only to be able to exchange a stream of bytes.")

19:27

Move log Philip talk contribs moved page Glossary:D-sub to Glossary:D-subminiature without leaving a redirect ‎

			N 19:26		Glossary:RS-232‎‎ 4 changes history +658‎ [Philip‎ (4×)]
					19:26 (cur \| prev) +9‎ Philip talk contribs
					17:08 (cur \| prev) −4‎ Philip talk contribs
					16:37 (cur \| prev) +42‎ Philip talk contribs
			N		16:24 (cur \| prev) +611‎ Philip talk contribs (Created page with "RS-232 is an old standard originally conceived for communication between a modem and a computer or computer terminal, normally using DB-9 or DB-25 connectors. It was embodied in the COM ports that were once a feature of virtually all personal and home computers. Although now superseded by USB, due to its great simplicity and former ubiquity it is still used where low speed communication is r...")

N 17:15

Glossary:Duplex‎ diffhist +237‎ Philip talk contribs (Created page with "A duplex comunication channel is one that supports communication in both directions. A half-duplex channel only allows communication in one direction at a time whereas full duplex allows for simultaneous communication in both directions.")

			N 17:13		Glossary:Simplex‎‎ 2 changes history +181‎ [Philip‎ (2×)]
					17:13 (cur \| prev) 0‎ Philip talk contribs
			N		17:12 (cur \| prev) +181‎ Philip talk contribs (Created page with "A simplex comminication channel is one that allows for commuication in one direction only, in conttrat to a duplex connection which supports 2-way communication.")

N 17:00

Glossary:D-sub‎ diffhist +438‎ Philip talk contribs (Created page with "D-subminiature connectors are a series of electrical connectors characterised by their D-shaped shell. Whilst there are numerous variants, just a few are or have been in common use. DB-9 (more correctly DE-9) and DB-25 were ubiqitus on home and personal computers as the serial (COM) and paralel ports before being displaced by USB, and DE-15 is still used for VGA video connectors.")

N 16:35

Glossary:DTE, DCE‎ diffhist +393‎ Philip talk contribs (Created page with "DTE or Data Terminal Equipment and DCE or Data Communications Equipment are the names given to the two ends of an RS-232 data connection. These were originally assumed to be a computer or computer terminal and a modem respectively but the DCE is now more commonly a computer and the DTE a device or computer controlling it through a command line interface.")

N 09:10

Glossary:Digital Certificate‎ diffhist +488‎ Philip talk contribs (Created page with "A digital certificate is a piece of data which declares an association between an identity (e.g. the owner of a website or email address, or a software publisher) and a public key. Anyone can then use the public key to verify a digital signature applied to any piece of data by the identity. The certificate is normally itself digitally signed by a chain of more authoritative identities, ending in a well known root certificate which eve...")