GPS using GPRS???

1
hi friends , i have an android tab , which does not have built in GPS , .. is there any way to use the GPS ???.. but they said we can use the GPS using GPRS,then how can use it.. 

pls reply guys!!!!
“Work hard in silence, let your success be your noise...”
find gps apps available in android market you can get lots of applications for gps
nesan, proud to be in V+ Team.