He has to be joking.....
This is the best:
the C.P.U. (or 'motherboard' as it is more commonly known)
The chip is, in a sense, the 'brain' of the computer. it plugs into a special slot in the the C.P.U
There are three main types of chips, Celeron, Pentium and A.M.D. There are no distinct differences between the three, just different brands, although, Pentium is the most widely known and is suported by most, if not all, software companies.
HDD Disk Drives or 'Hard Drives'
Every Hard drive has a unique IP address
There are different types of R.A.M. which include EDO, SD and DDR