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PLC Mock Test: Practice Questions and Answers, Exams of Computer Science

Texas State UniversityComputer Science

A mock test for programmable logic controllers (plcs), designed for practice and review. It includes a series of questions covering various aspects of plc programming and hardware, along with their correct answers. Topics covered include i/o diagrams, programming methods, software packages like rslinx, serial communication, and ladder logic. This test is useful for students and professionals looking to enhance their understanding and skills in plc technology and industrial automation. It serves as a valuable resource for self-assessment and exam preparation in the field of industrial control systems.

Typology: Exams

2025/2026

Available from 11/26/2025

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Martin-Ray-1 🇺🇸

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Intro to Programmable Controllers Mock Test –
Practice & Review.
Page 1 of 3
1. PLC ______ are used to show the physical connections of real world devices to
the PLC. - Correct Answer: >>I/O Diagrams
2. A(n) ______ provides the best method of programming and monitoring a PLC
program. - Correct Answer: >>Personal computer
3. The ______ bar is located at the bottom of the screen and indicates current
conditions and helpful information. - Correct Answer: >>Status
4. _______ is a Rockwell software package that contains a collection of software
drivers and utilities enabling the user to connect Rockwell programming
software to Allen-Bradley hardware such as PLCs, HMIs, and CNC drives. -
Correct Answer: >>RSLinx
5. The ______ shows which stations are connected to your SLC network. -
Correct Answer: >>Who Active List
6. The PLC simply checks the on/off status of each ______terminal and then turns
on outputs according to the program. - Correct Answer: >>Input module
7. _______ is a basic component of a PLC. - Correct Answer: >>All of the
above
8. (Input module, programming device, processor module)
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Download PLC Mock Test: Practice Questions and Answers and more Exams Computer Science in PDF only on Docsity!

Practice & Review.

  1. PLC ______ are used to show the physical connections of real world devices to the PLC. - Correct Answer: >>I/O Diagrams
  2. A(n) ______ provides the best method of programming and monitoring a PLC program. - Correct Answer: >>Personal computer
  3. The ______ bar is located at the bottom of the screen and indicates current conditions and helpful information. - Correct Answer: >>Status
  4. _______ is a Rockwell software package that contains a collection of software drivers and utilities enabling the user to connect Rockwell programming software to Allen-Bradley hardware such as PLCs, HMIs, and CNC drives. - Correct Answer: >>RSLinx
  5. The ______ shows which stations are connected to your SLC network. - Correct Answer: >>Who Active List
  6. The PLC simply checks the on/off status of each ______terminal and then turns on outputs according to the program. - Correct Answer: >>Input module
  7. _______ is a basic component of a PLC. - Correct Answer: >>All of the above
  8. (Input module, programming device, processor module)

Practice & Review.

  1. In serial communication, data is transferred to another device using ________ channel(s). - Correct Answer: >> 1 10._______ drivers are software programs that connect software to hardware. - Correct Answer: >>Communications 11.When the ________ instruction is energized, or true, the PLC will physically open or close a switch in the output module that allows electricity to flow to a real world device. - Correct Answer: >>OTE 12.Programmable logic controllers (also called PLCs) are used to control machines and other industrial applications with _______ instead of using hard-wired devices. - Correct Answer: >>A computer 13.PLCs require _______ space than a standard computer or relay panel that could do the same job. - Correct Answer: >>Much less 14.An XIO instruction is _____ when current is flowing to its input terminal - Correct Answer: >>False 15.An example of the ______ logic element is shown in figure 1. - Correct Answer: >>Not