NO!
You don't need a CD for mods. You don't need a CD for Minecraft at all.
any will load mods onto minecraft but the better operating system the more mods you can have
you can get minecraft mods and textures off the minecraft mods website.
You need a password, it's the same password as your Mojang or Minecraft account.
Lots of mods do not need forge, big ones such as: OptiFine Too many items and Better Sprint (all i know of)
To get mod packs you must go to the forums for minecraft. There should be a forum that is for mods and you can find all the mods there. The first mod that you will need for minecraft would be the ModLoader, which is used to load all the mods that you will acquire.
What the heck are you talking about? You don't need a password for Minecraft 1.8 but you do need an account unless you hacked it.
Yes, most Minecraft Mods are updatable.
bearshare is not required to get minecraft mods.
there are no mods in minecraft pe i hope there will be
You NEED to have downloaded minecraft to use mods. There are hundreds of mod installation tutorials for all of the most popular mods on YouTube!