Introduction to PLCs Quiz

What does PLC stand for?

• Programmable Logic Controller

• Process Logic Computer

• Programmable Load Controller

• Programmable Linear Circuit

What was used for industrial automation before PLCs?

• Analog controllers

• Electromechanical relay circuits

• Microprocessors

• Digital computers

What programming language is commonly used for PLCs?

• Ladder Logic

• Java

• Python

• C++

What is the main function of a PLC?

• To perform mathematical calculations

• To automate control processes

• To manage network communications

• To store large amounts of data

What are the three main components of a PLC?

• Inputs, Outputs, Storage

• Processor, Inputs, Outputs

• Processor, Memory, Network

• Memory, Storage, Network

What type of signals can be either on or off?

• Discrete signals

• Analog signals

• Continuous signals

• Digital signals

What is a PAC?

• Programmable Automation Controller

• Programmable Analog Computer

• Programmable Application Controller

• Process Automation Circuit

What is the primary advantage of PACs over PLCs?

• Smaller size

• Simpler programming

• Higher power and memory

• Lower cost

What is the role of the CPU in a PLC?

• To store data

• To perform logic on inputs

• To manage network connections

• To provide power to the system

What is an example of a PLC input in a dishwasher?

• Heating element

• Cycle mode button

• Water valve

• Drain pump