synonympdf(Portable document format) generally refers to portable file format
Portable Document Format.It is a cross operating system platform file format.You can changewritten words、typeface、graphical、image、color、formatAnd withPrinting equipmentRelevant parameters are encapsulated in a filenetwork transmission、PrintKeep the page elements unchanged and includehyperlink, audio and video and other electronic information.IntegrationAnd high safety reliability.PDF format files are generated by special "Writer" software, and can also be converted by other word and image processing software. "PDF file reader" software only provides a single reading function.[1-2]
On June 15, 1993, the PDF format was officially unveiled for the first time.[2]
In June 2023, Adobe of Japan announced that June 15 will be designated as "PDF Day" to commemorate the 30th anniversary of PDF.[2]
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PDF stands for Portable Document Format, which is based onAdobeA project initiated by co-founder Dr. John Warnock in 1991.The project aims at paper digitization and hopes to browse digital documents in the same format on any software, hardware and operating system。PDF is nowInternational Organization for Standardization(ISO) is managed as an open standard.[2]
