Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview

SDE - 1

Tata Consultancy Services (TCS)
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3 rounds | 3 Coding problems

Interview preparation journey

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Preparation
Duration: 4 months
Topics: Data Science, Machine Learning, Data Structures, OOPS, Aptitude, Algorithms, Dynamic Programming
Tip
Tip

Tip 1 : Practice as many questions as you can from trusted website
Tip 2 : Do projects according to your skills and company's demand
Tip 3 : Aptitude is the key to qualify the first round so do practice more and more questions of it.

Application process
Where: Campus
Eligibility: Co Cubes
Resume Tip
Resume tip

Tip 1 : Make it short and clean
Tip 2 : Skills should be mentioned properly
Tip 3 : Put the Best Stuff “Above the Fold” .

Interview rounds

01
Round
Medium
Online Coding Interview
Duration30 minutes
Interview date10 Nov 2020
Coding problem1

It was in the morning. Coding questions were mainly from data structures and Algorithms. Aptitude part was easy to solve that was more based on reasoning.

1. Merge Sort

Easy
15m average time
85% success
0/40
Asked in companies
Wells FargoThought WorksAccenture

Given a sequence of numbers ‘ARR’. Your task is to return a sorted sequence of ‘ARR’ in non-descending order with help of the merge sort algorithm.

Example :

Merge Sort Algorithm -

Merge sort is a Divide and Conquer based Algorithm. It divides the input array into two-parts, until the size of the input array is not ‘1’. In the return part, it will merge two sorted arrays a return a whole merged sorted array.

subsequence

The above illustrates shows how merge sort works.
Note :
It is compulsory to use the ‘Merge Sort’ algorithm.
Try solving now
02
Round
Medium
Video Call
Duration30 minutes
Interview date21 Nov 2020
Coding problem1

It was in the afternoon. Questions were mainly from OS/DBMS based.

1. DBMS Questions

What is the purpose of normalization in DBMS?
Explain the concepts of a Primary key and Foreign Key.
What is the use of DROP command and what are the differences between DROP, TRUNCATE and DELETE commands?

Problem approach

Tip 1 : Practice these type of questions helped a lot.
Tip 2 : Try analyzing by previous year questions or from their portal about what type of questions they asked.
Tip 3 : Do practice SQL queries

03
Round
Easy
HR Round
Duration15 minutes
Interview date1 Dec 2020
Coding problem1

It was in the evening. Interviewer is there who is very calm and of friendly nature. It was very interesting session.

1. Basic HR Questions

Tell me something about yourself in brief
You have not done your PG yet. This is not a drawback, but don’t you think you should get a PG degree asap?
On a scale of 1 to 10 how would you rate yourself as a leader?
Why do you want to work for us or our company? or Why do you want this job?

Problem approach

Tip 1 : Practice some questions before giving your HR round by yourself this will help you to remove fear.
Tip 2 : Try avoiding unwanted information and get to the point quickly.
Tip 3 : Do not give too short or too long answers

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Skill covered: Programming

To make an AI less repetitive in a long paragraph, you should increase:

Choose another skill to practice
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