ISA Certified Control Systems Technician (CCST) program
Certified Control System Technicians (CCSTs) calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables.
An “Inclusive OR” function:
A. can never be used with a NOT function.
B. is not applicable to discrete control applications.
C. produces a 1 output if either, or both inputs are 1.
D. produces a 1 output if neither inputs are 1.