Technician A states the CPU is responsible for retaining processing cycle result data. Technician B states the PCM processing cycle is performed by the CPU. Who is correct?
A) Technician A only.
B) Technician B only.
C) Both A and B.
D) Neither A nor B.

Question

Quizplus · Accepted Answer

Technician B is correct because the PCM (Powertrain Control Module) processing cycle is indeed performed by the CPU (Central Processing Unit), which is responsible for executing instructions and processing data. Technician A is incorrect because the CPU does not retain data; that function is typically performed by memory components such as RAM or storage devices.

Technician a States the CPU Is Responsible for Retaining Processing