basic electronics pdf

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File Trailer The trailer of a PDF file enables a conforming reader to quickly find the cross-reference table and certain special objectsConforming readers should read a PDF file from its end

The last line of the file shall contain only the end-of-file marker, %%EOFThe two preceding lines shall contain, one per line and in order, the keyword startxref and the byte offset in the decoded stream from the beginning of the file to the beginning of the xref keyword in the last cross-reference sectionPDF Objects A PDF file includes several different type of objects that are of following types Boolean values - representing conditional true or false Numbers - Integer and Real values Strings - contains characters within parentheses Names - start with a forward / character e

g/ASomewhatLongerName results in ASomewhatLongerName Arrays - PDF supports one dimensional arrays

Arrays of higher dimensions can be constructed by using arrays as nested elements Dictionaries - collection of objects as key-value pairs

It can have zero entriesFit Width adjusts the magnification so that the PDF fills the document pane horizontally

Zoom To Page Level adjusts the magnification so that one page fills the document pane verticallyThe Pan & Zoom tool adjusts the magnification and position of the view area to match the area in an adjustable rectangle in the Pan & Zoom window’s thumbnail view of the page

The Loupe Tool window displays a magnified portion of the PDF that matches the area in an adjustable rectangle on the document paneResize a page to fit the window To resize the page to fit entirely in the document pane, choose View > Zoom > Zoom To Fit Page