"Tuition: $134 per credit hour
Fees: $301 per academic term of enrollment"
And I found this:
"Georgia Tech's M.S. in Computer Science requires a minimum of 36 credit hours for completion."
So at 4 semesters you would be looking at:
$6028
doing a bit more digging:
http://www.bursar.gatech.edu/tuiandfee.php
http://www.bursar.gatech.edu/student/tuition/Fall_2013/Fall1...
1 semester for an out of state, 6+ hour (per week) student is $13,781.