The computers that communicate with each other are called 
.
Unsure that if your visiting a site, that it is a secure website or don't download anything unless you know for sure that it is safe
The cursor should move right but if not give me more information to correct my statement
It really is hard to say because there are many slots and we do not know what your teacher is teaching. I have seen a lot of teachers teaching out of date material. With that said, here is a list from best to worst.
PCI Express x16
PCI Express x1
AGP
PCI
This is list is based on greatest to least and base on the bandwidth read and write speed.
The answers are:
C
A
Hope it helps :)
