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  2. Prosigns for Morse code - Wikipedia

    en.wikipedia.org/wiki/Prosigns_for_Morse_code

    Even though represented as strings of letters, prosigns are rendered without the intercharacter commas or pauses that would occur between the letters shown, if the representation were (mistakenly) sent as a sequence of letters: In printed material describing their meaning and use, prosigns are shown either as a sequence of dots and dashes for the sound of a telegraph, or by an overlined ...

  3. Euro sign - Wikipedia

    en.wikipedia.org/wiki/Euro_sign

    The euro sign (€) is the currency sign used for the euro, the official currency of the eurozone and adopted, although not required to, by Kosovo and Montenegro.The design was presented to the public by the European Commission on 12 December 1996.

  4. Ruble sign - Wikipedia

    en.wikipedia.org/wiki/Ruble_sign

    The ruble sign, ₽, is the currency sign used for the Russian ruble, the official currency of Russia. Its form is a Cyrillic letter Р with an additional horizontal stroke. [ a ] The design was approved on 11 December 2013 after a public poll that took place a month earlier.

  5. Login - Wikipedia

    en.wikipedia.org/wiki/Login

    A screenshot of the English Wikipedia login screen. In computer security, logging in (or logging on, signing in, or signing on) is the process by which an individual gains access to a computer system or program by identifying and authenticating themselves.

  6. Call sign - Wikipedia

    en.wikipedia.org/wiki/Call_sign

    Russian nuclear icebreaker Arktika with call sign UKTY. Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as Liberia or Panama, which are flags of convenience for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2).

  7. DC-SIGN - Wikipedia

    en.wikipedia.org/wiki/DC-SIGN

    DC-SIGN is a C-type lectin and has a high affinity for the ICAM3 molecule. [7] It binds various microorganisms by recognizing high-mannose-containing glycoproteins on their surface, and can function as a co-receptor for several viruses such as HIV and Hepatitis C.

  8. Road signs in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Road_signs_in_the_United...

    A non-primary road sign near Bristol shows Guildford Rules patches.Road signs in the United Kingdom and in its associated Crown dependencies and overseas territories conform broadly to European design norms, though a number of signs are unique: direction signs omit European route numbers, and road signs generally use the imperial system of units (miles and yards), unlike the rest of Europe ...

  9. Single sign-on - Wikipedia

    en.wikipedia.org/wiki/Single_sign-on

    Single sign-on (SSO) is an authentication scheme that allows a user to log in with a single ID to any of several related, yet independent, software systems.. True single sign-on allows the user to log in once and access services without re-entering authentication factors.