Do both LINK 480Z and CARDboard Illustrative Aid to Computation both involve computers?
CARDboard Illustrative Aid to Computation: CARDIAC (CARDboard Illustrative Aid to Computation) is a learning aid developed by David Hagelbarger and Saul Fingerman for Bell Telephone Laboratories in 1968 to teach high school students how computers work. CARDboard Illustrative Aid to Computation:  The kit consists of an instruction manual and a die-cut cardboard "computer".
i don't know