Data Miner

 is an Fallout 3 achievement on Xbox 360 and PC and a trophy on PlayStation 3.

It is granted for hacking 50 terminals.

Locations
Here are some locations of where you will find a high amount of terminals to help towards the Data Miner Achievement.
 * Vault 87 - There 8 hackable terminals, most are near to where you rescue Fawkes, these are all hard difficulty which will mean you need a Science skill of 75 or higher.
 * Rivet City - There are a total of 6 hackable terminals in Rivet City.
 * Tenpenny Tower - There are 3 here on the Ground floor in the various shops, 2 Average and 1 Easy. Warning: you will lose Karma for hacking these terminals.
 * Underworld - 4 Terminals here in the various shops, 3 Very Easy, 1 Average. Warning: you will lose Karma for hacking these terminals.
 * Megaton - 5 Terminals: Children of Atom, Craterside Supply, Moriarty's Saloon, The Brass Lantern and the Megaton Armory.
 * Meresti Trainyard- 4 Terminals: The First terminal can be found just after you pass the guard,and is on the left hand side. The second is inside the vampaire hideout in the bottom left of the room. The Third is on the right of the room, next to the work bench. The fourth is upstairs next to the cell where Ian west was held during the mission Blood Ties.