What is Resolution?

Resolution is an unit by which the details of pixels are measured in a Monitor or in a printed material.  It denotes the pixels in the Monitor.  For example, in a 17 inch Monitor it will be 1024 x 768 pixels.  In printed materials / Scanner, it will be denoted by 'dpi' or 'dots per inch'.  The 'dpi' denotes the number of dots per square inch in a printed or scanned material.  This is also denoted by the number of dots of ink or toner that is being used to print in a square inch. 

What is PDF?

PDF is a kind of file which can be opened with Adobe Acrobat Reader or similar PDF Viewer Programs. The full form of PDF is "Portable Document File".  The PDF file system is being followed for distributing files created through Desktop Publishing.  It shows the file in picture form rather than showing it in Font form.  Now freeware programs are available in the internet to transfer PDF file to text file and vice versa.  All the programs used to open a PDF Document like Adobe Acrobat Reader and other PDF Viewer programs are available as freeware in the Internet.

To download Adobe Acrobat Reader, Please visit: http://get.adobe.com/reader/

To download any other PDF Viewer, Please visit: http://www.brothersoft.com/free-pdf-viewer-download-242637.html