no, but to get alot of mod you need to have modloader installed on the game.
NO!
No it might be that you have an out dated mod that crashes to game or that you do not have something like modloader (which you need for most mods). Also when downloading mods make sure they are for your current version of minecraft or it will defiantly crash.
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.
No, you just get them for free
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.
there are no mods in minecraft pe i hope there will be
Yes, most Minecraft Mods are updatable.
bearshare is not required to get minecraft mods.
You will tell if you see a big button called Mods, and you will see something on the right called Minecraft Forge - (number here) mods loadedand e.t.c