TCS NQT Technical Interview Questions 2022 | 200+ Most Asked Questions

If you are preparing for TCS NQT Technical Interview Questions so you are in the right place. After heavy research and after talking to 100s of candidates we have collected some of the most asked questions asked during the TCS NQT Interview, and we are damm sure if you will prepare these questions before your interview, you can crack any Technical Interview. So if you have an interview in a few days and don't have much time to prepare from basics, just prepare these questions.

What is TCS NQT 2022? 

TCS NQT is an assessment of various levels to test candidate on core cognitive process required sills for entry level job. It is organized by  TCS- Tata Consultancy Services

Key Points About TCS NQT :

• Apply for an entry-level role in any corporate with the NQT Score
• NQT (Cognitive Skills) is a prerequisite for all the tests
• Two-year validity of NQT Score
• Candidates with NQT Score will be eligible to apply on the TCS iON Job Listing Portal
• Conducted online (at home) and physical In-Centre at TCS iON Authorised Exam Centres

Who can apply for TCS NQT 2022?

Candidates eligible to apply for the TCS National Qualifier Test should meet the below eligibility criteria:

• UG, PG, and Diploma students who are in their pre-final, final year or have passed out
• Students with any degree and specialization/ discipline
• Freshers with less than 2 years of experience

So we have divided Interview Questions in 6 Different Parts:

1. Basic Introduction and HR Questions.
2. OOPs and Technical Questions.
3. DBMS and SQL Questions.
4. Data Structure.
5. Programming Questions
6. Domain Questions for NON-IT Students. 

1- Basic Introduction Questions of TCS NQT Interview.

1) Tell us something about yourself.

2) Do you wish to change your domain? If yes, why?

3) what do you know about TCS?

4) What are your expectations from the company?

5) Will you be comfortable relocating?

6) What is it like to live in Delhi (your state)?

7) Tell me something about the most memorable day of  your life?

8) What are your strengths?

9) What are your weaknesses?

10) Why should we hire you?

11) Is there anything which makes you different from  other candidates?

12) What are your views on demonetization?

13) Tell me about your daily routine?

14) Mention any five qualities that a person should have for this profile?

15) Speak on any topic of your interest for at least  5 minutes.

16) Describe the experience of visiting any place  during your vacations.

17) Do you have any prior work experience? If so  tell us about your last job and why you left it.

18) What are your hobbies?

19) What quality do you think a leader should have?

20) Have you applied anywhere before applying here How many job offers have you received before this?

2- OOPS and Technical Questions of TCS NQT Interview.

1) What is the primary difference between C and Java?

2) Name four storage classes available in C

3) Memory Allocation in C/C++

4) Explain static variable.

5) How to print an address?

6) Explain function overloading concept.

7) Define the term's classes and objects.

8) Define macros.

9) Tell me different HeaderFiles and their use in c++

10) Differentiate structure and arrays.

11) List out some areas in which data structure is  applied extensively.

12) How can you reuse code written in C++  programming language?

13) Name various deadlock prevention techniques.

14) Difference betweek \n and Endl

15) Significace of ";" ?

16) You are creating a function which can accept a  variable number of arguments. Which header file you will include?

17) What do you mean by data abstraction? Explain three levels of data abstractions.

18) Explain what command-line argument in C is?

19) Explain the concept of cache memory.

20) Explain the difference between pass by reference  and pass by value.

21) What is a pointer?

22) Differentiate between null and void pointer

23) What is operator overloading?

24) What are the different types of inheritance  available in C++?

25) What is the difference and similarity between C and C++?

26) What is the difference between a Clustered index and non-clustered index?

27) Explain conditional statements.

28) Explain the difference between the foreign key and the referenced key.

29) Explain the difference between C and C++?

30) What is an array?

31) Explain memory allocation in C.

32) What is a clustered index?

33) What do you mean by debugger?

34) What is the main difference between const char *p and char const *p?

35) Explain Memory Alignment.

36) Explain conversion constructor.

37) Explain the concept of Tree.

38) What is data warehousing? Why should we use  data warehousing?

39) How many types of recursions are there in C?

40) Explain compiler and interpreter.

41) Explain scope of a variable.

42) What is a user-defined exception in Java  programming?

43) Explain garbage collector.

44) What is enumeration?

45) What do you mean by static identifier?

46) Explain encryption.

47) What is decryption?

48) What is a digital signature?

49) Name the basic principles of OOPS.

50) Define Polymorphism.

51) What is SDLC?

3-  DBMS and SQL Questions.

1) What are the differences between a DBMS and  RDBMS?

2) Explain the terms database and DBMS. Also,  mention the different types of DBMS.

4) What are the advantages of DBMS?

5) Mention the different languages present in DBMS

6) What do you understand by query optimization?

7) Do we consider NULL values the same as that of blank space or zero?

8) What do you understand by aggregation and  atomicity?

9) What is purpose of SQL

10) What is SQL

11) What is MySql

12) What are the different levels of abstraction in the  DBMS?

13) What is an entity-relationship model?

14) What do you understand by the terms Entity, Entity Type, and Entity Set in DBMS?

15) What is meant by normalization and  denormalization?

16) What are ACID Propertiess

17) Write a Query to remove data of duplicate  elements in a table.

18) Write a Query to Insert New Record in a Table

19) What is Truncate Command?

20) What is Drop and Delete Command?

21) What is DML, DDL, DQL ?

22) What does ODBC in a database stand for

23) What is main Difference between Union and ALL?

24) What is TCL in DBMS?

25) What does ODBC in a database stand for?

4- Data Structure Questions of TCS Technical Round.

1) What is a Data Structure ?

2) How many type of Data Structure are there?

3) What is an Array?

4) What is an Structure?

5) What is LinkedList?

6) What is Insertion and Deletion.

7) In what areas do data structures are applied?

8) What is LIFO?

9) What is FIFO?

10) What is Queue

11) What is Binary Tree?

12) Which data structures are applied when dealing  with a recursive function?

13) What is Stack

14) What is Merge Sort?

15) What is Quick Sort?

16) What is Circular Linkedlist

17) Differenciate NULL &. VOID?

18) What is PUSH and POP Operation?

19) How do you insert a new item in a binary search  tree?

20) What is Multi Dimensional Array?

21) What is Linear and Non Linear Data Structure?

22) How does variable declaration affect memory  allocation?

5- Programming and Coding Question.

1) Write a Program to Print Number Entered by User

2) Write a Program to Add Two Numbers

3) Write a Program to Find Quotient and Remainder

4) Write a Program to Find Size of int, float, double and  char in Your System

5) Write a Program to Swap Two Numbers

6) Write a Program to Check Whether Number is Even or Odd

7) Write a Program to Check Whether a character is  Vowel or Consonant.

8) Write a Program to Find Largest Number Among  Three Numbers

9) Write a Program to Find All Roots of a Quadratic  Equation

10) Write a Program to Calculate Sum of Natural  Numbers

11) Write a Program to Check Leap Year

12) Write a Program to Find Factorial

13) Write a Program to Generate Multiplication Table

14) Write a Program to Display Fibonacci Series

15) Write a Program to Find GCD

16) Write a Program to Find LCM

17) Write a Program to Reverse a Number

18) Write a Program to Calculate Power of a Number

19) Increment ++ and Decrement -- Operator  Overloading in Write a Programming

20) Write a Program to Subtract Complex Number  Using Operator Overloading

21) Write a Program to Find ASCII Value of a Character

22) Write a Program to Multiply two Numbers

23) Write a Program to Check Whether a Number is  Palindrome or Not

24) Write a Program to Check Whether a Number is  Prime or Not

25) Write a Program to Display Prime Numbers  Between Two Intervals

26) Write a Program to Check Armstrong Number

27) Write a Program to Display Armstrong Number  Between Two Intervals

28) Write a Program to Display Factors of a Number

29) Write a Programs To Create Pyramid and Pattern

30) Write a Program to Find G.C.D Using Recursion

31) Write a Program to Convert Binary Number to  Decimal and vice-versa

32) Write a Program to Convert Octal Number to  Decimal and vice-versa

33) Write a Program to Convert Binary Number to  Octal and vice-versa

34) Write a program to Reverse a Sentence Using  Recursion

35) Write a Program to Calculate Power Using  Recursion

36) Write a Program to Calculate Average of Numbers Using Arrays

37) Write a Program to Find Largest Element of an Array

38) Write a Program to Calculate Standard Deviation

39) Write a Program to Add Two Matrix Using  Multi-dimensional Arrays

40) Write a Program to Multiply Two Matrix Using  Multi-dimensional Arrays

41) Program to Access Elements of an Array  Using Pointer

42) Write a Program to Swap Numbers in Cyclic  Order Using Call by Reference

43) Write a Program to Find the Frequency of  Characters in a String

44) Write a Program to Find the Number of Vowels,  Consonants, Digits and White Spaces in a String

45) Write a Program to Remove all Characters in a  String Except Alphabets.

46) Write a Program to Find the Length of a String

47) Write a Program to Concatenate Two Strings

48) Write a Program to Copy Strings

49) Write a Program to Sort Elements in Lexicographical Order (Dictionary Order)

50) Write a Program for Binary Search

6- Domain Questions for NON-IT Students.

Mechanical

What is the difference between petrol engine and  diesel engine?

How will you define the calorific value of a fuel?

What is the meaning of auto-ignition temperature?

What is cavitation in pumps?

How will you define the Coefficient of Performance?

How are pipe diameters and pressure drop related?

What are orthotropic materials?

Define buckling factor?

Could you enlist at least one utility of a spark plug, of  course, other than its use in petrol engines?

What is pitting? How it is caused.

What is Principle of Mecahnical Refregration

ECE

What is Electronics?

What is communication?

What is the difference between Electronics and  Electrical?

What is latch

What is diode?

What is transistor?

What is sampling?

What is the principle of microwave?

What is rheostat.

What is modulation? And where it is utilized?

flip- flops

Logic Gates

EEE

What is the difference between Electronics  and Electrical?

What happens when two positively charged material  is placed together?

Mention what are the different kind of cables used for transmissions?

Mention what is the difference between generator  and alternator?

Mention what are the different colors on wires  indicates?

Mention what are the types of semi-conductors?

Explain what rectifiers is and what are the types  of rectifiers?

So These are all the questions, that we have collected, if you want to share your experience so you can mail us your ideas in the contact form here. 

For any Doubt you can comment. Share this TCS NQT technical Question Cheat sheet with your friends.