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TCS iON Software Developer Intern Interview Questions, Process, and Tips

Updated 16 Sep 2021

TCS iON Software Developer Intern Interview Experiences

1 interview found

I was interviewed in Oct 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 mintues
Round difficulty - Easy

The round contain 20 MCQ and 2 coding questions.

  • Q1. 

    Jar of Candies Problem Statement

    You are given a jar containing candies with a maximum capacity of 'N'. The jar cannot have less than 1 candy at any point. Given 'K', the number of candies a customer want...

  • Ans. 

    Given a jar with 'N' candies, determine the number of candies left after providing 'K' candies to a customer.

    • Check if 'K' is greater than 'N', return -1 if invalid

    • Subtract 'K' from 'N' to get the remaining candies

    • Output the remaining candies for each test case

  • Answered by AI
  • Q2. 

    Fitness Test in Indian Navy Problem Statement

    The selection process in the Indian Navy includes a fitness test conducted in seawater, where a group of 3 trainees undergo a swimming test over three rounds....

  • Ans. 

    Calculate average oxygen levels of trainees in Indian Navy fitness test and select fittest based on rules.

    • Parse input to get oxygen levels of trainees after each round

    • Calculate average oxygen level for each trainee over three rounds

    • Select trainee(s) with highest average oxygen level, considering tie and fitness rules

    • Print the fittest trainee(s) in increasing order or 'Unfit' if average level is below 70

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 45 mintues
Round difficulty - Easy

Easy question where asked basic type like what is difference between inteprator and compiler. Method to prevent deadlock and best way to implement Fibonacci series.

  • Q1. 

    Nth Element Of Modified Fibonacci Series

    Given two integers X and Y as the first two numbers of a series, and an integer N, determine the Nth element of the series following the Fibonacci rule: f(x) = f(x...

  • Ans. 

    Calculate the Nth element of a modified Fibonacci series given the first two numbers and N, with the result modulo 10^9 + 7.

    • Implement a function to calculate the Nth element of the series using the Fibonacci rule f(x) = f(x - 1) + f(x - 2)

    • Return the answer modulo 10^9 + 7 as the result may be very large

    • The series is 1-based indexed, and the initial numbers X and Y can be between -10^6 and 10^6

    • Handle up to 100 test case

  • Answered by AI
  • Q2. 

    Reverse Alternate Nodes in a Singly Linked List

    Given a singly linked list of integers, you need to reverse alternate nodes and append them to the end of the list.

    Example:

    Input:
    1->2->3->4
    ...
  • Ans. 

    Reverse alternate nodes in a singly linked list and append them to the end of the list.

    • Traverse the linked list and reverse alternate nodes while keeping track of odd and even indices.

    • Append the reversed alternate nodes to the end of the list.

    • Handle edge cases like empty list or single node list.

    • Consider using two pointers to keep track of the nodes to be reversed.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Netaji Subhas University Of Technology. I applied for the job as SDE - Intern in BangaloreEligibility criteriamore than 6 CGPATata Consultancy Services (TCS) interview preparation:Topics to prepare for the interview - Recursion,array,BST,Binary Tree,DP , Backtracking and pointer.Time required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Practice as many question you can 
Tip 2 : Focus on key concept
Tip 3 : Practice previous year question

Application resume tips for other job seekers

Tip 1 : Specify at least one good project
Tip 2 : Write only those things which you know in detail

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

  • Q1. 

    Sum of Two Numbers Represented as Arrays

    Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...

  • Ans. 

    Given two numbers represented as arrays, calculate their sum and return the result as an array.

    • Iterate through the arrays from right to left, adding digits and carrying over if necessary

    • Handle cases where one array is longer than the other by considering the remaining digits

    • Ensure the final sum array does not have any leading zeros

  • Answered by AI
Round 2 - Face to Face 

Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round 3 - HR 

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.

Interview Preparation Tips

Eligibility criteriaAbove 60 %Wipro Limited interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Database Concepts, Coding problemsTime required to prepare for the interview - 2-3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.

Application resume tips for other job seekers

Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. SOLID principals, oops, c# basics, SQL server, azure, design pattern

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear basics of oops and design pattern

I applied via Job Portal and was interviewed before Apr 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Solid principles in c#
  • Ans. 

    Solid principles are a set of design principles for writing maintainable and scalable code in C#.

    • Single Responsibility Principle (SRP) - a class should have only one reason to change

    • Open/Closed Principle (OCP) - a class should be open for extension but closed for modification

    • Liskov Substitution Principle (LSP) - derived classes should be substitutable for their base classes

    • Interface Segregation Principle (ISP) - client...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - good company for freshers as well as beginners

Skills evaluated in this interview

Interview Questionnaire 

4 Questions

  • Q1. Oops concept,
  • Q2. Heritance
  • Q3. Polyorphis
  • Q4. Thread

Interview Preparation Tips

Interview preparation tips for other job seekers - be cinfedent

I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Hr

Interview Preparation Tips

Interview preparation tips for other job seekers - You should be true to what you are putting before the interviewer . Try to put your ideas Add something you did well in your career like in projects /research which you know very well and versed in concepts about it for open interview so that interviewer can get bandwidth where he can ask questions from. This is simply a key .

I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. 1.Describe a situation where you have taken a quick decision and failed, and a situation where you succeeded. 2. What is a skill you have tried to achieve but failed? 3. Describe a decision you have taken ...

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Always try to take risk in small problems . When you face the consequences, you would be able to tackle bigger problems.
2. Every skill you learn, even if you didn't excel in it is not to be considered a waste of time/failure, you learn something simply by participating.

Interview Questionnaire 

1 Question

  • Q1. HTML, CSS, BOOTSTRAP, PHP. SQL

I applied via Naukri.com and was interviewed before Apr 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 Resume tips
Round 2 - Aptitude Test 

Interview Preparation Tips

Interview preparation tips for other job seekers - The types of interviews modes of interviews(vedii phone,zoom,in persons etc.)

I was interviewed before Jun 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 180 minutes
Round difficulty - Easy

It was an mcq + coding round. There were aptitude and ouput based question in mcq. And coding questions were easy

  • Q1. 

    Find the Duplicate Number Problem Statement

    Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Yo...

  • Ans. 

    Find the duplicate number in an array of integers from 0 to (N-2).

    • Iterate through the array and keep track of the frequency of each number using a hashmap.

    • Return the number with a frequency greater than 1 as the duplicate number.

    • Time complexity can be optimized to O(N) using Floyd's Tortoise and Hare algorithm.

  • Answered by AI
  • Q2. 

    Reverse String Operations Problem Statement

    You are provided with a string S and an array of integers A of size M. Your task is to perform M operations on the string as specified by the indices in array A...

  • Ans. 

    Given a string and an array of indices, reverse substrings based on the indices to obtain the final string.

    • Iterate through the array of indices and reverse the substrings accordingly

    • Ensure the range specified by each index is non-empty

    • Return the final string after all operations are completed

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 Minutes
Round difficulty - Easy

It was technical + hr round. there were 2 people as interviewer. They stated from intro and asked some basic puzzles and hr questions. After that they asked about my projects, technologies and some ds algo and dbms questions.

Interview Preparation Tips

Eligibility criterianaAccenture interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 6 MonthsInterview preparation tips for other job seekers

Tip 1 : Practice aptitude
Tip 2 : Focus on practicing coding
Tip 3 : Learn from mistakes

Application resume tips for other job seekers

Tip 1 : Mention some projects that you have done
Tip 2 : Try to have skills that are required for the role

Final outcome of the interviewSelected

Skills evaluated in this interview

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