I will know begin filling plotholes. *pulls out caulk*
1. the reason that nuking the planet didn't wipe out skynet was that it just got into computers all over the world to propagate the "virus" idea and get access to the nukes. it didn't care if our computers were destroyed; as long as it remained in the cpus of the machines it would survive

2. the TX roared because, uhhh, umm... *starts trying to fill up meter wide hole with caulk* ...uhh... she was becoming a dinosaur! lol