How to edit Pdf files free without Adobe Acrobat

Pdf file which is the most convienent way of documentations. PDF means “Portable Document Format ” this format was created by Adobe Systems in 1993 for document exchange. Each PDF file encapsulates a complete description of a fixed-layout 2D document that includes the text, fonts, images, and 2D vector graphics which compose the documents and now 3D drawings can be embedded to PDF documents with Acrobat 3D using

GPS tracking: An overview

gps-systemJust imagine 10 years ago when in Sci-fi movies we see that a display is tracking each and every movment of  a person with the help of some gadget it was like a dream but now most of us have this system in our mobiles or the gps devices which uses the GPS-“global positioning system” technique. Today Gps is being used by people to get direction to their destination and also you can give your child a “GPS watch for kids” to keep track of him . so lets see how this technology

Try Google Public DNS for Faster Web Access

MightyFunnyWe determine the speed of our Internet connection as the time it takes to open a page when you enter the URL in address bar, but the loading of a page depends on the page content and also the number of DNS lookups it has to perform for opening a page. For complex websites this number become larger so the site loads in a long time. So for a large extent the DNS decides the loading speed of a webpage.