Software Engineer Tata Consultancy Services (TCS) interview experience

Interview rounds

Round

Easy

Online Coding Interview

Duration90 minutes

Interview date5 Sep 2021

Coding problem3

It was a National Qualifier Test and hence there is so much pressure to do well. Else the chances of getting qualified are very less.

1. MCQ Questions

Aptitude (20 questions – 40 mins) English (10 questions – 10 mins) Programming Concepts (10 questions – 20 mins)

Number Of MCQs - 40

2. Basic Coding Question

Write a program to find if the given word is a keyword or not.

Problem approach

Store all keywords in a 2d array and check every input

3. Base Conversion

Easy

15m average time

85% success

0/40

Asked in companies

You are given a number ‘N’ as a string in base ‘B’. Your task is to convert ‘N’ in base 10. If it’s impossible to convert ‘N’ into base 10, then you need to print -1.

Note :

1. ‘N’ contains only digits ‘0’ to ‘9’ and English letters ‘A’ to ‘F’.
2. Decimal equivalent of 0 is 0, 1 is 1, . . .9 is 9, A is 10, B is 11, . . . F is 15.

Problem approach

first convert numbers to decimal system and then check

Try solving now

Round

Easy

Video Call

Duration30 minutes

Interview date3 Oct 2021

Coding problem2

1. Operating System Question

What is virtual memory?

2. DBMS Question

What are relations in RDBMS?

Software Engineer

Interview preparation journey

Interview rounds

1. MCQ Questions

2. Basic Coding Question

3. Base Conversion

You are given a number ‘N’ as a string in base ‘B’. Your task is to convert ‘N’ in base 10. If it’s impossible to convert ‘N’ into base 10, then you need to print -1.

Note :

1. Operating System Question

2. DBMS Question