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  2. Channel access method - Wikipedia

    en.wikipedia.org/wiki/Channel_access_method

    In telecommunications and computer networks, a channel access method or multiple access method allows more than two terminals connected to the same transmission medium to transmit over it and to share its capacity. Examples of shared physical media are wireless networks, bus networks, ring networks and point-to-point links operating in half ...

  3. Defense Manpower Data Center - Wikipedia

    en.wikipedia.org/wiki/Defense_Manpower_Data_Center

    The Defense Manpower Data Center (DMDC) serves under the Office of the Secretary of Defense to collate personnel, manpower, training, financial, and other data for the Department of Defense. This data catalogues the history of personnel in the military and their family for purposes of healthcare, retirement funding and other administrative needs.

  4. List of search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_search_engines

    Search engines, including web search engines, selection-based search engines, metasearch engines, desktop search tools, and web portals and vertical market websites have a search facility for online databases.

  5. Criticism of Facebook - Wikipedia

    en.wikipedia.org/wiki/Criticism_of_Facebook

    The automated emailing system used when filling out a support form often directs users back to the help center or to pages that are outdated and cannot be accessed, leaving users at a dead end with no further support available. A person who lost access to Facebook or does not have an account has no easy way to contact the company directly.

  6. Fentanyl - Wikipedia

    en.wikipedia.org/wiki/Fentanyl

    Fentanyl is a highly potent synthetic piperidine opioid primarily used as an analgesic.It is 20 to 40 times more potent than heroin and 100 times more potent than morphine; [8] its primary clinical utility is in pain management for cancer patients and those recovering from painful surgeries.

  7. Auschwitz concentration camp - Wikipedia

    en.wikipedia.org/wiki/Auschwitz_concentration_camp

    Auschwitz I, 2009; the prisoner reception center of Auschwitz I became the visitor reception center of the Auschwitz-Birkenau State Museum. [ 24 ] Former prisoner reception center; the building on the far left with the row of chimneys was the camp kitchen.

  8. Scammer Payback - Wikipedia

    en.wikipedia.org/wiki/Scammer_Payback

    Pierogi previously worked as a cybersecurity professional. [3] He launched his YouTube channel "Scammer Payback" on May 15, 2019, focusing on high-production scam-baiting content in which he pretends to be a scam victim by portraying a variety of characters with the use of a voice changer to waste the scammers' time and distract them.

  9. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...