When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...

  3. Telephone exchange names - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange_names

    Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]

  4. D-Day Daily Telegraph crossword security alarm - Wikipedia

    en.wikipedia.org/wiki/D-Day_Daily_Telegraph...

    On 18 August 1942, a day before the Dieppe raid, 'Dieppe' appeared as an answer in The Daily Telegraph crossword (set on 17 August 1942) (clued "French port"), causing a security alarm. The War Office suspected that the crossword had been used to pass intelligence to the enemy and called upon Lord Tweedsmuir , then a senior intelligence officer ...

  5. Data service unit - Wikipedia

    en.wikipedia.org/wiki/Data_service_unit

    The device converts bipolar digital signals coming ultimately from a digital circuit and directly from a Channel service unit (CSU), into a format (e.g. RS- 530) compatible with the piece of data terminal equipment (DTE) (e.g. a router) to which the data is sent. The DSU also performs a similar process in reverse for data heading from the DTE ...

  6. TW Telecom - Wikipedia

    en.wikipedia.org/wiki/Tw_telecom

    TW Telecom (styled tw telecom), was a business telecommunications company headquartered in Littleton, Colorado, United States. The company provided business voice services, transport, Internet, data services and wholesale fiber capacity. It was an early leader in the deployment of Ethernet for metropolitan areas, dubbed Metro Ethernet

  7. Jumble - Wikipedia

    en.wikipedia.org/wiki/Jumble

    The answer to the clue is generally a pun of some sort. A weekly "kids version" of the puzzle features a three-letter word plus three four-letter words. In order to find the letters that are in the answer to the given clue, the player must unscramble all four of the scrambled words; the letters that are in the clue will be circled.

  8. GSM 03.40 - Wikipedia

    en.wikipedia.org/wiki/GSM_03.40

    GSM 03.40 or 3GPP TS 23.040 is a mobile telephony standard describing the format of the Transfer Protocol Data Units (TPDU) part of the Short Message Transfer Protocol (SM-TP) used in the GSM networks to carry Short Messages. [1]

  9. E and M signaling - Wikipedia

    en.wikipedia.org/wiki/E_and_M_signaling

    The signaling unit is the special modem that converts the DC signaling protocol into tones that could be transmitted over a four-wire link back to the PTT exchange. The signaling unit and trunk circuit communicate their status over the E and M leads, using a combination of battery and earth (also known as ground) levels.