You need an action replay to enter action replay codes, yes.
You do need an Action Replay DS to use the Action Replay codes, think about it. It's kind of obvioce isn't it, brainiac!
You cannot: You need the Action Replay DS to input the codes for your games.
No, you need action replay for gamecube.
No. You need an action replay or gameshark.
No, unless you want to get codes online or via the Action Replay Software.
Yes, Action Replay DS is required to use the codes.
No, you do not need to connect your action replay to your computer but you have to look online for codes for your action replay though
By putting the codes into an Action Replay for DS
you need action replay codes
you need to get codes and put them in
you need an action replay
If you need action replay codes for Final Fantasy VII for The PlayStation just go to Google.com and type in something like FF7 action replay codes. This should direct you to any of the numerous websites that have cheats and codes including action replay.