Tech-Mahindra Interview Questions

Excerpts from Interview #1:

• What are the different types of integration testing?
• Differentiate between RAM and ROM.
• Define macros.
• What do you understand by multi-threading and multi-tasking?
• What do you mean by the term "normalization"?
• When should structures be passed by values or by reference?
• How are Windows programs different from normal C-programs?
• Give some salient points of difference between request processor and request dispatcher.
• Have you written applications to retrieve stored images in a table?

• Which is the last book that you read?
• Do you have any questions for us?
• What is your favorite subject?
• Are you willing to travel? How much?
• Is money important to you?
• How much money do you need to make to be happy?
• Would you rather work with information or with people?
• Are you a team player?
• What motivates you?
• Why should I hire you?
• What kind of salary are you looking for?
• What motivates you to join Tech Mahindra?
• Rate your interview on a scale of 10.

Excerpts from Interview #2:

• A lot of questions based on networking theory and networking models were asked.
• Explain these terms: Stack, Queue, Array and Linked List
• What are static variables and functions?
• How would you rename a function in C?
• What do you understand by modular programming?
• Give a general algorithm for converting a m-array tree to a 2-ary tree.
• How many links are there in a binary tree of N nodes?
• Have you used threaded trees anytime in your life time?
• How is a macro different from a function?

• What new value can you add to our organization?
• A difficult situation was described. How would you deal with this situation?
• Tell me a time when you were disappointed in your behavior.
• What were your favorite subjects during the course of your study?
• Why is your CGPA low?
• What projects did you undertake during your engineering? Describe your role in these projects.
• How would rate yourself in technical and communication skills?

Excerpts from Interview #3:

• Which technology does Pentium use - RISC or CISC?
• How would you create a footprint in your PCB designer software (say, Altium)?
• How many times do you reuse the code that you develop? How do you reuse it?
• Explain Cloud computing.
• Describe horizontal scalability and vertical scalability.
• What is an adaptive learning bridge?
• Tell me operating systems used in mobile.
• Write a program for finding factorial of a number.
• Why doesn't FORTRAN support recursion?

• Suppose you have to submit an assignment in one hour and say, the power goes out. What steps will you undertake?
• Why should we select you over others?
• Do you enjoy doing independent research?
• Where do you want to be ten years from now?
• Why did you choose this career?
• When did you decide on this career?

Excerpts from Interview #4:

• Describe the Diamond problem. Where does this problem occur?
• Differentiate between C and C++.
• Write a program using SQL queries to find a unique entry in a table.
• Difference between short term, long term and medium term scheduler.
• Differentiate between compilers and interpreters.
• Devise a program to implement the Fibonacci sequence.
• Describe these Operating System concepts: Fragmentation, Segmentation
• Differentiate between swapping and paging.
• How does a debugger set breakpoints in a code you are debugging?

• How has your experience been at your institute of graduation? What were your key takeaways?
• Why do you wish to join TCS? Do you not wish to join any other software firm visiting your campus?
• What are your future plans?
• What are your strengths? Weakness?
• If you could be any animal, what would it be?
• How can you contribute to this company?
• What kind of a manager would you be?

Excerpts from Interview #5:

• Write the Shortest path algorithm for a graph.
• What are the complexities of sorting algorithms and how can this complexity be calculated?
• Define binary tree insertion.
• What 'lex' does?
• Differentiate between a constructor and a method in C++.
• Differentiate between an Interface and an Abstract class?
• What are the various IPC mechanisms? Why is message passing costlier than semaphore?
• What happens when main () method is declared as private?

• How do you see your progress while working at Tech Mahindra?
• Who or what has had the greatest influence on your life?
• What motivates you to put forth your best effort?
• How has your education prepared you for a career?
• What qualifications do you have that make you think that you will be successful in this career?
• How do you define or evaluate success?
• Why motivates you to join Tech Mahindra?
• What is the reason behind your numerous rejections in the campus placement processes?
• Describe your various hobbies. What do you like to do in your free time?

Excerpts from Interview #6:

• How to install Apache Server on our Machines?
• What are the numerous projects that you've undertaken? Describe the basic working of these projects? What problems did you face?
• What are skew trees? For a tree with 4 nodes draw all possible binary? Generalize for n nodes how many binary trees can be drawn?
• What is 2 dimensional linked list?
• What environment variables are required to be set on a machine in order to run Java programs?
• How and who handles data looping?
• Define syntax and semantic errors.
• How would you react in case: Your manager gives you a problem that you have no idea how to solve, but you need to submit the solution in 2 hours? Wow would you react to it?

• Has there been a situation when you’ve had any idea but have not been able to implement it?
• What are your interests and hobbies? How do you spend your free time?
• Do you have any plans for further education?
• How much training do you think you'll need to become a productive employee?
• What qualities do you feel a successful manager should have?
• Why do you want to work in our organization?
• Would you like to ask us anything?