Answer:
Unicode
Explanation:
This is a fairly large code and Is well known throughout my family since we study ancient codex and modern codes to solve crimes and find relics of the past, although our research has proven good and unicode is one that is being studied currently now, I have found it as long and very time consuming. Although ASCII is a computer code that consists of graphs and numbers it actually shortens the text. and hexadecimal has been proven to be less reliable and binary is a short code with little symbols
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 I have seen a lot of teachers teaching out of date material.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.