For the computer behind you in the main menu
Type in
DOA for Dead Ops Arcade
Zork for a achievement/trophy
And there are several other you just look them up on a website
Some servers on the PC version have a password. The person whom made the server knows the password and him alone. You would have to contact the server's owner to get the password.
DOA
doa
the password is password
there is no aimbot password to black ops
If you are talking about the computer after you get out of the chair, it is DOA. This unlocks all the new Zombies maps.
lancer
Username: AMASON Password: PASSWORD
3arc unlock
Zork and DOA
password top eleven
3arc unlock .
Go to the black ops website and click theater
Sadly, There is nothing. You can't do that in Black Ops.
Der Riese does not require a password and instead requires purchase of the DLC