No, unless you have a free loader.
You don't need a CD for mods. You don't need a CD for Minecraft at all.
Forge Modloader is how the mods are loaded into the folders of Minecraft, as you can tell in the name. Why can you not use forge?
You cannot, without the use of external mods.
just play minecraft
no mods dont work
Mods come completed, there is nothing you have to finish to use them.
YOu download them.
You can if you use mods or server texturepacks
Google for Modstallation. You can use that software to install mods.
NOPE
Yes, you can download and install mods on the PC version of Minecraft, there are several gun mods you can apply.
It is impossible to obtain the "MobSpawner" block without the use of mods or inventory editors.