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  2. History of PDF - Wikipedia

    en.wikipedia.org/wiki/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.

  3. Issue date - Wikipedia

    en.wikipedia.org/wiki/Issue_date

    Issue date may refer to: Cover date , the date displayed on the covers of periodical publications Effective date , the date upon which something is considered to take effect

  4. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  5. First day of issue - Wikipedia

    en.wikipedia.org/wiki/First_day_of_issue

    First day cover of the Alexander Graham Bell issue of 1940. A first day of issue cover or first day cover (FDC) is a postage stamp on a cover, postal card or stamped envelope franked on the first day the issue is authorized for use [1] within the country or territory of the stamp-issuing authority. Sometimes the issue is made from a temporary ...

  6. Adobe Acrobat version history - Wikipedia

    en.wikipedia.org/wiki/Adobe_Acrobat_version_history

    Originally called Adobe Reader For Windows Tablets (Version 1.0) was released on the Microsoft Windows Store on the second week of December 2012, [38] based on the Adobe Reader Mobile engine found in the iOS, Android, Blackberry and Windows phone versions, is the first application written by Adobe Systems for the Windows 8/RT Metro Style interface.

  7. Cover date - Wikipedia

    en.wikipedia.org/wiki/Cover_date

    The general practice of most mainstream comic book companies since the creation of the comic book in the 1930s was to date individual issues by putting the name of a month (and much later the year as well) on the cover which was generally two months after the release date. For example, a 1951 issue of Superman which had the cover date of July ...

  8. Periodical literature - Wikipedia

    en.wikipedia.org/wiki/Periodical_literature

    In rare cases, periodicals even provide both: a relative issue number and an absolute number. [2] There is no universal standard for indicating absolute numbers, but often a '#' is used. The first issue of a periodical is sometimes also called a premiere issue or charter issue. [3] The first issue may be preceded by dummy or zero issues.

  9. Browne Issue System - Wikipedia

    en.wikipedia.org/wiki/Browne_Issue_System

    These two cards were filed together with the date stamped in the book. These cards are "tickets" that are arranged in trays by date of issue and within date by the key on the card. When the book was returned, the user's card was removed from the file of the day indicated by the stamp and given back, and the book card was replaced in the book.