Question: What processed Apple Qmaster jobs on a cluster and was introduced in 2002?
Sentence (from "Xserve"): The Xserve initially featured one or two PowerPC G4 processors, but was later switched over to the then new PowerPC G5, transitioned to Intel with the Core 2 based Xeon offerings and subsequently switched again to two quad-core Intel Nehalem microprocessors.
Relevant evidence: No