TCS Technical and HR Interview questions

please note what ever language you mentioned in your resume mostly they will ask from there.

Technical Interview questions:
1.Write a program to find factorial of a number using recursive function?
2.Describe 2 different ways to concatenate two strings?
3.Give syntax for SQL and ORACLE joins.?
4.How is modularity introduced in C++?
5.What is the difference between a Stack and a Queue?
6.Give example to differentiate between call by value and call by reference?
7.Why the usage of pointers in C++ is not recommended ?
8.What do you mean by Data mining?
9.Write a program to reverse a string.
10.Describe these concepts: Polymorphism, Inheritance and Abstraction?
11.What is full form of SMAC? Discuss few about it.
12.What is cloud computing? Give some of its applications in real world?
13.What are stacks? Give some of its applications.
14.One rectangular plate with length 8inches,breadth 11 inches and 2 inches thickness is there. what is the length of the circular rod with diameter 8 inches and equal to volume of rectangular plate?
15.How would you connect 8 dots with 3 lines.
16.Give the difference between the type casting and automatic type conversion. Also tell a suitable C++ code to illustrate both.
17.Can you declare a private method as static?
18.How many JVMs can run on a single machine and 19.what is the meaning of Just-In-Time (JIT) compiler?
20.Differentiate between copy and default constructor.
21.What is #ifdef ? What is its application?
22.You are given a singly linked list. How would you find out if it contains a loop or not without using temporary space?
23.A person was fined for exceeding the speed limit by 10 mph. Another person was also fined for exceeding the same speed limit by twice the same. If the second person was travelling at a speed of 45 mph. find the speed limit .
24.What are different errors encountered while complying?
25.How would you implement two stacks using a single array?
26.Difference between keyword and identifier.
27.What is the Big-O Notation?
28.What do you understand by garbage collection in Java? Can it be forced to run?
29.What happens if an array goes out-of-bounds?
30.What is the role of C++ shorthand’s?
31.Discuss the function of conditional operator, size of operator and comma operator with examples.
32.Describe friend function & its advantages?
33.Differentiate between null and void pointers.
34.Write a program to add three numbers in C++ utilizing classes?
35.Devise a program that inputs a 3 digit number n and finds out whether the number is prime or not. Find out its factors?
36.Explain debugger?
37.What are the different types of sorting? Explain the difference between them?
38.What is meant by entry controlled loop? What all C++ loops are exit controlled?

HR Interview:
Describe your hobbies.
Your working hours might be as long as 14 hrs per day. Do you think you’ll be able manage that?
Are you willing to relocate?
According to you, which profile in our organization matches your skills?
Tell us something about yourself.
Was asked to give an approach the below problem:
“Let’s say that you have 25 horses, and you want to pick the fastest 3 horses out of those 25. In each race, only 5 horses can run at the same time because there are only 5 tracks. What is the minimum number of races required to find the 3 fastest horses without using a stopwatch?”
Do you wish to change your domain? If yes, why?
Describe an experience of yours wherein you were asked to do something which you didn’t like to do and how you handled it?
What are your expectations from the company?
Will you be comfortable relocating?
Can you please run us through your resume?
Describe your interests and hobbies.
What do you think are leadership qualities?
How would you measure 4 liters using jugs of 3l and 5l? Give a few solutions to this problem?
Write a program to allot rooms to n students on basis of roll number.
Why do you think makes you a suitable candidate for this job?
Why haven’t you received any other offer till now?
You are not as experienced as this position demands. How will you cope with it?
Rate your communication skills and technical skills.
What is your style of management? What irks you the most about your co-workers?
Give a brief introduction of yourself.
Where do you see yourself in 5 years from now?
Do you have any questions for us?
Why should you be hired for this role?
Give an instance when you showed leadership skills.
What do you know about the various competitors of TCS in the market?

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