Question

In three complete and well composed paragraphs, describe PDF files and HTML. Explain the difference between presenting information in both formats. In what instances would a PDF file be preferable? In what instances would HTML be a preferred format?

Answer 1

`Hey,

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PDF, Adobe Acrobat's Portable Document Format, retains the exact appearance of a document, no matter what platform (PC, Mac, Unix) is used to view or print it.

HTML is the language of the Web. HTML documents are thus designed for on-screen viewing and interactivity. They are intended to be accessed via computer whenever needed rather than to be printed to simulate a traditional reprint. Making HTML versions of traditionally printed articles is more expensive than making PDF versions and managing the files that are involved is more complex.

• File structure
  PDF: Each article is a single binary file, usually between 100 KB and a few MB in size. Files are small compared to WinWord files of the same documents.
  HTML: The document and figures are separate files. A richly illustrated article with both thumb-nail and full screen versions of each figure could require 10-20 files.
• On-screen appearance
  PDF: Retains the exact appearance of the original article. Screen images, or selected portions, can be zoomed in or out from 12 to 800%.
  HTML: Appearance determined by mark-up tags, the browser, the monitor, and the settings of the browser. Thus an HTML document may look great on the state-of-the-art system used to create it but be debased by the software and/or hardware used to view it.
• Interactivity
  PDF: Some possible, but costs more.
  HTML: In addition to internal and external hyperlinks, HTML permits a variety of other enhancements over traditional formats. Among these are audio and video clips, and forms encouraging viewers to submit their corrections and critiques.

The strength of PDF files shines when you want to send forms or any other files that needs to be printed out. Forms that needs to be filled up and submitted would print properly without missing elements. HTML files do not have page demarcations and it is up to the user to properly format the HTML output so that all the data is visible while PDF files clearly define each page so that there is no confusion.

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