Additionally - MCM - multi-chip module - instead of putting separate chips for various functions on a board, they're fused together in what from the outside loo

Additionally - MCM - multi-chip module - instead of putting separate chips for various functions on a board, they're fused together in what from the outside looks like a single chip, but internally is 3 or 4 unrelated chips. Examples at the Wikipedia article: https://en.wikipedia.org/wiki/Multi-chip_module https://en.wikipedia.org/wiki/Multi-chip_module