Question: MERSI protocol was used by the computer that was a fourth generation of what type of processors?
Sentence (from "PowerPC G4"): PowerPC G4 is a designation used by Apple Computer and Eyetech to describe a "fourth generation" of 32-bit PowerPC microprocessors. Apple has applied this name to various (though closely related) processor models from Freescale, a former part of Motorola.
Relevant evidence: Yes