A=Application software
C=Microcomputer
D=hybrid computers
E=digital computer
F=Handheld computer
G=Dextop computer
Sorry,i couldn't help you in B.
You can use a peripheral component interconnect Express card (also known as an expansion card) to connect your computer to a wireless network (WLAN).
I hope this helped!
He wouldn’t answer the context for the discussion
These materials are called conductors