>Being confused is very natural for me.<g>
>
>I remember when the PC first arrived. Z80 with 16 bit architecture and only 8 bit memory available. How many years did we have to install memory chips in pairs?
>
>If you think you can't get more confused

I don't think that's quite right. The Z80 was 8 bit, the first 16 bit (from Intel) was the 8086. The Z8000 (I think) was Zilog's first 16 bit processor.

[Update] Z-80 was 8 pit CPU with 16 bit address bus. Sort of a "half-breed".