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  2. Physical medium dependent - Wikipedia

    en.wikipedia.org/wiki/Physical_Medium_Dependent

    They define the details of transmission and reception of individual bits on a physical medium. These responsibilities encompass bit timing, signal encoding, interacting with the physical medium, and the properties of the cable, optical fiber, or wire itself.

  3. Product data management - Wikipedia

    en.wikipedia.org/wiki/Product_data_management

    Product data management (PDM) is the name of a business function within product lifecycle management (PLM) that denotes the management and publication of product data. [1] In software engineering, this is known as version control. The goals of product data management include ensuring all stakeholders share a common understanding, that confusion ...

  4. Protocol-dependent module - Wikipedia

    en.wikipedia.org/wiki/Protocol-dependent_module

    The only other routing protocol that comes with support for multiple network layer protocols is Intermediate System-to-Intermediate System (IS-IS). "In theory, EIGRP can add PDMs to easily adapt to new or revised routed protocols such as IPv6. Each PDM is responsible for all functions related to its specific routed protocol.

  5. Protocol data unit - Wikipedia

    en.wikipedia.org/wiki/Protocol_data_unit

    For example, it might add a port number to identify the application, a network address to help with routing, a code to identify the type of data in the packet and error-checking information. All this additional information, plus the original service data unit from the higher layer, constitutes the protocol data unit at this layer.

  6. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    NOC—Network Operations Center; NOP—No OPeration; NOS—Network Operating System; NP—Nondeterministic Polynomial time; NPL—Netscape Public License; NPTL—Native POSIX Thread Library; NPU—Network Processing Unit; NS—Netscape; NSIS—Nullsoft Scriptable Install System; NSPR—Netscape Portable Runtime; NSS—Novell Storage Service

  7. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    A personal area network (PAN) is a computer network used for communication among computers and different information technological devices close to one person. Some examples of devices that are used in a PAN are personal computers, printers, fax machines, telephones, PDAs, scanners, and video game consoles.

  8. Plesiochronous digital hierarchy - Wikipedia

    en.wikipedia.org/wiki/Plesiochronous_Digital...

    In telecommunications networks, independent clocks are free-running precision clocks located at the nodes which are used for synchronization.. Variable storage buffers, installed to accommodate variations in transmission delay between nodes, are made large enough to accommodate small time departures among the nodal clocks that control transmission.

  9. PDM - Wikipedia

    en.wikipedia.org/wiki/PDM

    PDM (cycling team), the cycling team sponsored by Philips Dupont Magnetics; PDM Group of Institutions (popularly known as PDM) is a Group of Educational Institutions located in India; Penny-drop moment, an abbreviation used by cryptic crossword bloggers; Philips Dupont Magnetics, a joint venture between Philips and DuPont