How do a PLC process input and output signals?
A. By using a central processing unit (CPU)
B. By using a microcontroller
C. By using a microprocessor
D. By using a memory chip
Answer:A
How do a PLC process input and output signals?
A. By using a central processing unit (CPU) B. By using a microcontroller C. By using a microprocessor D. By using a memory chip
Explanation: The PLC’s central processing unit (CPU) is responsible for processing input and output signals. The CPU reads input signals from sensors, processes the information using the control program, and then sends output signals to actuators to control the industrial process.