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NEC Computer Operator and Programming Assistant Interview Questions and Answers

Updated 14 Apr 2022

NEC Computer Operator and Programming Assistant Interview Experiences

1 interview found

I applied via Walk-in and was interviewed in Mar 2022. 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 - Coding Test 

C language and java

Round 3 - HR 

(7 Questions)

  • Q1. What are your salary expectations?
  • Q2. What is your family background?
  • Q3. Why should we hire you?
  • Q4. Why are you looking for a change?
  • Q5. Where do you see yourself in 5 years?
  • Q6. What are your strengths and weaknesses?
  • Q7. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - I am fresher and i have theoretical knowledge and practically knowledge but I can do hard work for my organization my organization and i will work in the company to the best of knowledge ability and skill and try to fulfill the organization goal .i am confidence about my work

Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. C++ oops concepts
  • Q2. Early and late binding
  • Q3. Copy constructors

Interview Preparation Tips

Interview preparation tips for other job seekers - Job profile was software developer for c++

I applied via Naukri.com and was interviewed before May 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Easy interview, be strong with the basics and you'll be through

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics very well

I applied via Naukri.com and was interviewed in Oct 2019. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. I had been aksed tricky questions
  • Q2. I gave answers of all.

Interview Preparation Tips

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

I was interviewed before Sep 2016.

Interview Preparation Tips

Round: Group Discussion
Experience: Interview was scheduled in Grab Job consultancy. In that, a class room, where we all asked to sit and interviewer was sitting in front and asked to speak one by one on the topic traffic situation in Hyderabad.
Tips: Just speak once two to three lines. Don't rush to speak. Take ur time and don't try speak repeatedly.
Duration: 35 minutes

Round: Technical Interview
Experience: System based test. Easy question from java , c, data structure.

Round: HR Interview
Experience: Not held because already we got too late.

Skills: Proficiency In English, Basic Coding
College Name: Medak College of engineering

I was interviewed in Mar 2017.

Interview Questionnaire 

5 Questions

  • Q1. Oops concepts in Java?
  • Ans. 

    Oops concepts in Java

    • Encapsulation - hiding implementation details

    • Inheritance - reusing code and creating parent-child relationships

    • Polymorphism - multiple forms of a method or object

    • Abstraction - creating abstract classes and interfaces

    • Example: Encapsulation - using private variables and public methods

    • Example: Inheritance - creating a subclass that inherits from a superclass

    • Example: Polymorphism - using method overloa...

  • Answered by AI
  • Q2. Altering columns in Databases?
  • Ans. 

    Altering columns in databases involves modifying the structure of a table by adding, deleting or modifying columns.

    • Use ALTER TABLE statement to modify columns

    • Add new columns using ADD COLUMN

    • Delete columns using DROP COLUMN

    • Modify columns using MODIFY COLUMN

    • Changing column data type may result in data loss

  • Answered by AI
  • Q3. Asked some queries in SQL
  • Q4. Reversing a number in java?
  • Ans. 

    Reversing a number in Java

    • Convert the number to a string

    • Use StringBuilder to reverse the string

    • Convert the reversed string back to a number

  • Answered by AI
  • Q5. Extracting words from a line in java?
  • Ans. 

    To extract words from a line in Java, split the line using whitespace as delimiter.

    • Use the split() method of String class

    • Pass the whitespace regex as argument to split() method

    • Iterate over the resulting array to get individual words

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: Started with the question "Tell me about yourself". Asked me about Core Java. Asked to solve some questions related to Java and SQL.
Tips: Be prepared with high knowledge in Java, Data Structures and SQL.

Skills: Java Programming, Data Strrutures, SQL
College Name: IIITDM Jabalpur

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Questions based on previous written test are asked. Most common being to optimize the solution further

Interview Preparation Tips

Round: Test
Experience: The quantitative section was tougher than usual. There were tricky questions from Trigonometry and Mensuration.
3 Coding Questions were asked. Any programming language including pseudo-code was allowed.
String Manipulation seemed to be a favorite topic
Tips: Go through formulas and shortcuts for the Quantitative Section
Duration: 120 minutes
Total Questions: 40

Round: Test
Experience: 3 Questions. 30 minutes for each. This test was at the company premises.
Tips: Try to have more than one approach figured out.
Duration: 90 minutes
Total Questions: 3

Round: Technical Interview
Experience: Nice and Interactive interview. Interview to test flexibility in approach.

General Tips: Try to communicate well with the Interviewer. Don't hesitate in asking for feedback and advice after the interview is over with.
Skills: Coding, Problem Solving
College Name: NIT BHOPAL

Interview Questionnaire 

17 Questions

  • Q1. Tell me about yourself?
  • Ans. 

    I am a software developer with experience in multiple programming languages and a passion for problem-solving.

    • Experienced in Java, C++, and Python

    • Strong knowledge of data structures and algorithms

    • Proficient in web development using HTML, CSS, and JavaScript

    • Familiar with agile development methodologies

    • Excellent problem-solving and analytical skills

  • Answered by AI
  • Q2. Define Automation framework?
  • Ans. 

    Automation framework is a set of guidelines, standards, and coding practices used to create automated test scripts.

    • It provides a structured way to develop and maintain automated tests

    • It includes tools, libraries, and reusable components

    • It helps in reducing the time and effort required for testing

    • Examples include Selenium, Appium, and Robot Framework

  • Answered by AI
  • Q3. Difference between High severity and low severity with example, what is important as QA point of view?
  • Ans. 

    High severity refers to critical defects that impact the core functionality of the software, while low severity refers to minor issues that have minimal impact on functionality.

    • High severity issues can cause the software to crash or result in data loss.

    • Low severity issues are cosmetic or minor usability problems.

    • From a QA point of view, high severity issues are more critical as they can significantly impact the user ex...

  • Answered by AI
  • Q4. There one form where username and password and remember-me field is given, write the test scenarios?
  • Q5. Around 5-6 more questions
  • Q6. Automation architecture?
  • Q7. Difference between class and interface?
  • Ans. 

    Class is a blueprint for creating objects while interface defines a contract for classes to implement.

    • A class can have attributes and methods while an interface only has method signatures.

    • A class can be instantiated while an interface cannot.

    • A class can only inherit from one class while it can implement multiple interfaces.

    • Example: Class - Animal, Interface - Flyable

    • Animal can have attributes like name, age, etc. and m...

  • Answered by AI
  • Q8. What is static keyword?
  • Ans. 

    Static keyword is used to declare a variable or method that belongs to the class rather than an instance of the class.

    • Static variables are shared among all instances of a class

    • Static methods can be called without creating an instance of the class

    • Static blocks are used to initialize static variables

    • Static keyword can also be used to create nested classes

    • Example: public static int count;

  • Answered by AI
  • Q9. What are the different access modifiers and what is there uses?
  • Ans. 

    Access modifiers control the visibility and accessibility of class members.

    • Public: accessible from anywhere

    • Private: accessible only within the class

    • Protected: accessible within the class and its subclasses

    • Default: accessible within the same package

    • Used to enforce encapsulation and prevent unauthorized access

  • Answered by AI
  • Q10. Difference between interface and abstract?
  • Ans. 

    Interface defines only method signatures while abstract class can have both method signatures and implementations.

    • An interface can be implemented by multiple classes while an abstract class can only be extended by one class.

    • An abstract class can have constructors while an interface cannot.

    • An abstract class can have instance variables while an interface cannot.

    • An abstract class can provide default implementations for so...

  • Answered by AI
  • Q11. Write a program for given login scenario using defined automation architecture?
  • Ans. 

    A program for login scenario using defined automation architecture.

    • Identify the elements on the login page such as username, password, and login button

    • Use automation tools like Selenium to interact with the elements and input data

    • Verify successful login by checking for expected elements on the landing page

    • Implement error handling for incorrect login credentials

    • Use a modular and scalable architecture for maintainability

  • Answered by AI
  • Q12. Take an array, store the numbers and print the numbers using arrayList?
  • Ans. 

    To store and print numbers from an array using arrayList.

    • Create an arrayList object

    • Loop through the array and add each element to the arrayList using add() method

    • Print the arrayList using toString() method

    • Example: int[] arr = {1, 2, 3}; ArrayList list = new ArrayList<>(); for(int num : arr) { list.add(num); } System.out.println(list.toString());

Answered by AI
  • Q13. Write test scenario for download functionality of a songs website?
  • Ans. 

    Test scenario for download functionality of a songs website

    • Verify that the download button is visible and clickable

    • Check that the downloaded file is in the correct format

    • Ensure that the downloaded file is not corrupted

    • Test the download speed for different file sizes

    • Verify that the download progress is displayed to the user

  • Answered by AI
  • Q14. Difference between cache and cookies?
  • Ans. 

    Cache stores data temporarily to reduce server load while cookies store user information for website personalization.

    • Cache stores frequently accessed data to reduce server load and improve website performance.

    • Cookies store user information such as login credentials, preferences, and shopping cart items.

    • Cache is temporary and can be cleared at any time, while cookies can have an expiration date.

    • Cache is stored on the us...

  • Answered by AI
  • Q15. Solve the aptitude questions(2 – 3), she wanted to see the approach?
  • Q16. Make a 3*3 cube where you need to fill the numbers using 1-9, rows, columns and diagonal sum should be equal to 15
  • Q17. One more puzzle
  • Interview Preparation Tips

    Round: Test
    Total Questions: 2

    General Tips: Interview Experience was very good
    Skills: Algorithm, data structure
    College Name: na

    Skills evaluated in this interview

    Interview Questionnaire 

    9 Questions

    • Q1. Input an array and then print the repeating characters?? Example: Input:1,3,23,11,44,3,23,2,3. Output:3,23
    • Ans. 

      The question asks to input an array and print the repeating characters.

      • Iterate through the array and store each element in a hash table or dictionary.

      • If an element already exists in the hash table, it is a repeating character.

      • Print all the repeating characters found.

    • Answered by AI
    • Q2. Input an array and prints the second minimum in an array?? Example Input:34,45,21,12,54,67,15 Output:15
    • Ans. 

      Program to find the second minimum in an array.

      • Sort the array and return the second element.

      • Initialize two variables to store minimum and second minimum values.

      • Loop through the array and update the variables accordingly.

    • Answered by AI
    • Q3. Find the longest palendrom in a string? Example Input: abfgerccdedccfgfer Output: ccdedcc
    • Ans. 

      To find the longest palindrome in a given string.

      • Iterate through the string and check for palindromes of odd and even lengths.

      • Keep track of the longest palindrome found so far.

      • Use two pointers to check if the substring is a palindrome.

      • If the substring is a palindrome and its length is greater than the current longest palindrome, update the longest palindrome.

    • Answered by AI
    • Q4. Input a number and then find the next higher number such that for both the number (inputted and the next higher number) in binary representation contains equal number os ones. Example: Input:3(000000000000...
    • Ans. 

      Find the next higher number with equal number of ones in binary representation.

      • Convert input number to binary

      • Count number of ones in binary representation

      • Increment input number until binary representation has equal number of ones

      • Convert incremented number to decimal

    • Answered by AI
    • Q5. An array contain 6 different numbers, only 1 number is repeated for 5 times. So now total 10 numbers in array, Find that duplicate number in 2 steps only?
    • Ans. 

      Find the duplicate number in an array of 10 numbers with only 2 steps.

      • Use a hash set to keep track of visited numbers.

      • Iterate through the array and check if the number is already in the set.

      • If it is, then it is the duplicate number.

      • If not, add it to the set.

      • At the end, the duplicate number will be found.

    • Answered by AI
    • Q6. Write a program to print elements of a linked list in reverse order by using same single linked list?
    • Ans. 

      Program to print elements of a linked list in reverse order using same single linked list

      • Traverse the linked list and push each element onto a stack

      • Pop elements from the stack and print them in reverse order

    • Answered by AI
    • Q7. Questions on improving complexity of questions given in coding round
    • Q8. Html tags & ct their no of occurance of each tag & also check whether it correct or not?
    • Ans. 

      To check the occurrence and correctness of HTML tags, we can use various tools and techniques.

      • One way is to use a browser's developer tools to inspect the HTML code and see the tags and their frequency.

      • Another way is to use an online HTML validator tool that checks for correct syntax and tag usage.

      • We can also use programming languages like Python to parse HTML and count the occurrence of each tag.

      • Regular expressions ca...

    • Answered by AI
    • Q9. Few questions were on database tables and sql queries?

    Interview Preparation Tips

    Skills: Algorithm, data structures
    College Name: na

    Skills evaluated in this interview

    Interview Preparation Tips

    Round: HR Interview
    Experience: This interview is meant to check candidate's background and candidates's interest towards the company.

    College Name: NIT BHOPAL

    NEC Interview FAQs

    How many rounds are there in NEC Computer Operator and Programming Assistant interview?
    NEC interview process usually has 3 rounds. The most common rounds in the NEC interview process are Resume Shortlist, Coding Test and HR.

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