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TCS PLC Programming Engineer Interview Questions and Answers

Updated 3 Sep 2024

TCS PLC Programming Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I appeared for an interview in Aug 2024.

Round 1 - HR 

(5 Questions)

  • Q1. What is PLC , SCADA and definition
  • Ans. 

    PLC stands for Programmable Logic Controller, SCADA stands for Supervisory Control and Data Acquisition.

    • PLC is a digital computer used for automation of electromechanical processes.

    • SCADA is a system for remote monitoring and control of industrial processes.

    • PLC is used to control machinery in manufacturing, while SCADA is used for monitoring and controlling processes in industries like power plants.

    • PLC programming invol...

  • Answered by AI
  • Q2. PLC and HMI definition, what is tag
  • Ans. 

    PLC is a programmable logic controller used to automate industrial processes. HMI is a human-machine interface for interacting with machines. Tags are variables used in PLC programming.

    • PLC (Programmable Logic Controller) is a device used to control industrial processes through programming.

    • HMI (Human-Machine Interface) is a graphical interface that allows users to interact with machines.

    • Tags are variables used in PLC pr...

  • Answered by AI
  • Q3. What is protocol
  • Ans. 

    A protocol is a set of rules and guidelines for communication between devices or systems.

    • Protocols define the format, timing, sequencing, and error checking of data exchange

    • Examples include TCP/IP, HTTP, Modbus, and Profibus

    • Protocols ensure that devices can communicate effectively and reliably

  • Answered by AI
  • Q4. PLCProgramming language
  • Q5. Communication software

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Apr 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. About the basics of c, c++ and java, also asked to explain the project that I developed.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold and transparent. Explain your reasons and issues if any they are under standable.

I applied via Naukri.com and was interviewed before Feb 2021. There were 2 interview rounds.

Round 1 - Case Study 
Round 2 - Group Discussion 
Pro Tip by AmbitionBox:
Don’t treat group discussions as an argument. Group discussion is about reaching a meaningful conclusion.
View all tips

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview process is smooth and majorly asked direct questions and some scenarios

I applied via Naukri.com and was interviewed before Oct 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is AD dns dhcp?
  • Ans. 

    AD DNS DHCP are Microsoft technologies used for network management and authentication.

    • Active Directory (AD) is a directory service used for authentication and authorization of users and computers in a network.

    • Domain Name System (DNS) is used for name resolution of network resources.

    • Dynamic Host Configuration Protocol (DHCP) is used for automatic IP address assignment to network devices.

    • AD, DNS, and DHCP are often used ...

  • Answered by AI
  • Q2. What is IaaS SaaS PaaS?
  • Ans. 

    IaaS, SaaS, and PaaS are cloud computing models that provide different levels of infrastructure, software, and platform services.

    • IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as servers, storage, and networking.

    • SaaS (Software as a Service) delivers software applications over the internet, eliminating the need for local installation and maintenance.

    • PaaS (Platform as ...

  • Answered by AI
Round 3 - Aptitude Test 

General questions for 1 hors online exams

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident in your role and select which role you want to work

Skills evaluated in this interview

I applied via Recruitment Consultant and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. All questions related to Digital and networks and they asked core java question like functional interface uses and why do we need it and difference with interface

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was quite good

I applied via Approached by Company and was interviewed before Dec 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. What is n-tier architecture
  • Ans. 

    n-tier architecture is a software design pattern that divides an application into logical layers.

    • It separates presentation, application processing, and data management functions.

    • Each layer can be developed and maintained independently.

    • Examples include 3-tier and 4-tier architectures.

    • It improves scalability, maintainability, and flexibility of the application.

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. What is your expectation from company

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident while answering the questions and answers

I applied via Job Fair and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. What is your job role

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and strive hard to achieve what you desire

Interview Questionnaire 

6 Questions

  • Q1. Explain abstract factory design pattern ?
  • Ans. 

    Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.

    • Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.

    • It provides an interface for creating objects of related classes without specifying their concrete classes.

    • It encapsulates a group of factories that have a common theme.

    • It promotes loose c...

  • Answered by AI
  • Q2. How do you do range based map iteration
  • Ans. 

    Range based map iteration can be done using a for-each loop or iterators.

    • Use a for-each loop to iterate over the map elements.

    • Alternatively, use iterators to traverse the map.

    • The range-based for loop is preferred for its simplicity and readability.

    • Example: for(auto const& [key, value] : myMap) { //do something with key and value }

  • Answered by AI
  • Q3. What are detached and joined threads
  • Ans. 

    Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.

    • Detached threads are created using pthread_detach() function

    • Joined threads are created using pthread_join() function

    • Detached threads do not need to be explicitly terminated

    • Joined threads must be explicitly terminated using pthread_exit() or return statement

    • Detached thread...

  • Answered by AI
  • Q4. What are static code analysis tools
  • Ans. 

    Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.

    • Static code analysis tools scan code without executing it

    • They can detect issues such as security vulnerabilities, coding errors, and performance problems

    • Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle

  • Answered by AI
  • Q5. Command to list currently running threads in linux
  • Ans. 

    Command to list currently running threads in linux

    • Use the 'ps' command with the 'H' option to display threads in a hierarchy

    • Use the 'top' command to display threads in real-time

    • Use the 'htop' command for an interactive display of threads

  • Answered by AI
  • Q6. Can we perform arithmetic operation on Unique pointer
  • Ans. 

    No, arithmetic operations cannot be performed on unique pointers.

    • Unique pointers are used to manage the lifetime of dynamically allocated objects.

    • They cannot be copied or assigned, only moved.

    • Arithmetic operations are not defined for pointers, including unique pointers.

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Questions based on the CV we kept
  • Q2. Questions related to powershell, storages, networking in azure IaaS, NSG

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare whatever u kept in CV and the basics

I applied via LinkedIn and was interviewed in Jun 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Basics of Angular
  • Q2. Basics of js

Interview Preparation Tips

Interview preparation tips for other job seekers - Freshen up basics on skills.

TCS Interview FAQs

How many rounds are there in TCS PLC Programming Engineer interview?
TCS interview process usually has 1 rounds. The most common rounds in the TCS interview process are HR.
What are the top questions asked in TCS PLC Programming Engineer interview?

Some of the top questions asked at the TCS PLC Programming Engineer interview -

  1. What is PLC , SCADA and definit...read more
  2. PLC and HMI definition, what is ...read more
  3. What is proto...read more

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TCS PLC Programming Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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