Originally Posted by parabellum
When I did my B744 course I seem to remember we were told 121 in the E&E bay, ranging from a chip the size of a digital camera memory card, (about 1.5inches square, in those days) to something much bigger, possibly the nav data base?
??? The nav database is not a computer. It's just solid state memory in each Flight Management Computer.
If you're including individual computer cards, I'm sure there are a lot more than 121. There are about 25 fire detection cards alone (on the 744)