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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Forms Data Format is defined in the PDF specification (since PDF 1.2). The Forms Data Format can be used when submitting form data to a server, receiving the response, and incorporating it into the interactive form. It can also be used to export form data to stand-alone files that can be imported back into the corresponding PDF interactive form.

  3. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    History of PDF. The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of ...

  4. Ethernet frame - Wikipedia

    en.wikipedia.org/wiki/Ethernet_frame

    It is immediately followed by the Ethernet frame, which starts with the destination MAC address. [ 1] In computer networking, an Ethernet frame is a data link layer protocol data unit and uses the underlying Ethernet physical layer transport mechanisms. In other words, a data unit on an Ethernet link transports an Ethernet frame as its payload.

  5. CAN bus - Wikipedia

    en.wikipedia.org/wiki/CAN_bus

    A controller area network ( CAN) is a vehicle bus standard designed to enable efficient communication primarily between electronic control units (ECUs). Originally developed to reduce the complexity and cost of electrical wiring in automobiles through multiplexing, the CAN bus protocol has since been adopted in various other contexts.

  6. Universal asynchronous receiver-transmitter - Wikipedia

    en.wikipedia.org/wiki/Universal_asynchronous...

    A universal asynchronous receiver-transmitter ( UART / ˈjuːɑːrt /) is a peripheral device for asynchronous serial communication in which the data format and transmission speeds are configurable. It sends data bits one by one, from the least significant to the most significant, framed by start and stop bits so that precise timing is handled ...

  7. 802.11 frame types - Wikipedia

    en.wikipedia.org/wiki/802.11_Frame_Types

    802.11 frame types. In the IEEE 802.11 wireless LAN protocols (such as Wi-Fi ), a MAC frame is constructed of common fields (which are present in all types of frames) and specific fields (present in certain cases, depending on the type and subtype specified in the first octet of the frame). The very first two octets transmitted by a station are ...

  8. CAN FD - Wikipedia

    en.wikipedia.org/wiki/CAN_FD

    Frames with 11-bit identifiers are said to be in FD Base Frame Format (FDBF) and frames with 29-bit identifiers are referred to as FD Extended Frame Format (FEFF). While payload data rates of 5-8 Mbit/s are possible in CAN FD, overall data transfer rates depend on the total length of the bus network and the transceivers used to generate and ...

  9. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF/A-3 allows embedding of any file format such as XML, CAD and others into PDF/A documents. The use of XML-based XML Forms Architecture (XFA) forms is forbidden in PDF/A. (XFA form data may be preserved in a PDF/A-2 file by moving from XFA key to the Names tree that itself is the value of the XFAResources key of the Names dictionary of the ...

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