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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [23]

  3. Picture archiving and communication system - Wikipedia

    en.wikipedia.org/wiki/Picture_archiving_and...

    A picture archiving and communication system (PACS) is a medical imaging technology which provides economical storage and convenient access to images from multiple modalities (source machine types). [1] Electronic images and reports are transmitted digitally via PACS; this eliminates the need to manually file, retrieve, or transport film ...

  4. Near-field communication - Wikipedia

    en.wikipedia.org/wiki/Near-field_communication

    This chip is commonly found in smartphones and other NFC devices. Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of ...

  5. Electronic data interchange - Wikipedia

    en.wikipedia.org/wiki/Electronic_data_interchange

    Electronic data interchange. Electronic data interchange (EDI) is the concept of businesses electronically communicating information that was traditionally communicated on paper, such as purchase orders, advance ship notices, and invoices. Technical standards for EDI exist to facilitate parties transacting such instruments without having to ...

  6. Modbus - Wikipedia

    en.wikipedia.org/wiki/Modbus

    Modbus or MODBUS is a client/server data communications protocol in the application layer. [1] It was originally designed for use with its programmable logic controllers (PLCs), [2] but has become a de facto standard communication protocol for communication between industrial electronic devices in a wide range of buses and networks.

  7. What Is a 1040 Tax Form? 3 Things To Know Before You File - AOL

    www.aol.com/1040-tax-form-3-things-001143148.html

    No, a 1040 is not the same as a W-2, but you use the information included on a W-2 to complete the 1040 form. A W-2 is the form employers use to report the wages paid to an employee during the year.

  8. File Transfer Protocol - Wikipedia

    en.wikipedia.org/wiki/File_Transfer_Protocol

    The File Transfer Protocol (FTP) is a standard communication protocol used for the transfer of computer files from a server to a client on a computer network. FTP is built on a client–server model architecture using separate control and data connections between the client and the server. [ 1 ] FTP users may authenticate themselves with a ...

  9. Image scanner - Wikipedia

    en.wikipedia.org/wiki/Image_scanner

    An image scanner (often abbreviated to just scanner) is a device that optically scans images, printed text, handwriting, or an object and converts it to a digital image. The most common type of scanner used in offices and in the home is the flatbed scanner, where the document is placed on a glass window for scanning.