Tech-Mahindra Interview Questions

Excerpts from Interview #1:
(IT student having 10th grade- 84.2% 12th grade-78.7% and graduation score-75.3%)
Technical Interview:
  • 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?
HR Interview:
  • 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:
(CSE student with 7.34 CGPA and having 87.5 % in 12th and 90 % in 10th standard.)
Technical interview:
  • 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?
HR Interview:
  • 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:
(ECE student with profile as 6.52 CGPA and having 71.4 % in 12th and 74.5 % in 10th.)
Technical interview:
  • 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?
HR Interview:
  • 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:
(Computer Science Engineering student with profile as 7.7 CGPA and having 84.4 % in 12th and 86.2 % in 10th.)
Technical interview:
  • 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?
HR Interview:
  • 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:
(ECE background with profile as 7.25 CGPA and having 79.1 % in 12th and 84.7 % in 10th.)
Technical interview:
  • 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?
HR Interview:
  • 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:
(IT student with profile as 6.25 CGPA and having 78.5 % in 12th and 87.3 % in 10th.)
Technical interview:
  • 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?
HR Interview:
  • 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?
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