basically a keybord types text into a computer.
super computer
This question depends on what you are doing on the computer and what type of drives you have
laptop,Toshiba
you get out of the chair and go to the computer and type in 3ark zombies
You can beat it or type in 3ARC UNLOCK on the computer
Go to the iTunes store on your computer. Type in "Call of Duty: World at War: Zombies"
You stand up, go to the computer and type in 3ARC UNLOCK.
all right on black ops on the main menu their will say zombies click on it or you have to breack out of the chair and type in to the computer 3arc or 5arc
you go to the computer and type "3arc unlock"
DOA (Dead Ops Arcade) to get an arcade - 4 player - version of zombies
While in game, type future and you will hear a sound. It means that the zombies are now with glasses. Type it again to turn it off.
with the computer
Nazi Zombies. Some rumors have risen saying there would be Vietnamese Zombies, but it will remain Nazi Zombies.
If your talking about typing codes into the computer when you break out of the chair at the main menu, these are the codes: Unlock Dead Ops Arcade in Zombies: 3arc_DOA Unlock all Zombie Maps: 3arc_unlocks
You can either complete campaign, or when you're in the main menu you stand up, walk to the computer and type in 3ARC UNLOCK.