Tech Mahindra Technical Interview Questions | Tech Mahindra Technical Interview Questions and Answers | Mahindra Tech Technical Interview Questions
Tech Mahindra Technical Interview Questions: Tech Mahindra is an Indian multinational technology company specializing in information technology (IT) and business process outsourcing (BPO). They provide lot of job opportunities for the candidates in each and every year. The Tech Mahindra conducts recruitment as 4 rounds, the details about this round are given below. To get job at Tech Mahindra candidates need to cross these four rounds. At last, and one of the important selection process is Interview Round, in this interview round technical questions plays an important role.
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Tech Mahindra Exam Pattern Analysis
- Round 1- Written Test
- Round 2- Technical + Psychometric Test
- Round 3- Conversational Round (communication)
- Round 4- Interview Round
During the Technical Interview based on the position and the job role you are looking for you will be interviewed in many aspects. Here are some of the most covered technical concepts in the Tech Mahindra technical round of the interview.
Mahindra Tech Technical Interview Questions (Computer Science Engineering student):
- 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?
Tech Mahindra Technical Interview Questions (ECE background with profile as 7.25 CGPA):
- 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?
Mahindra Tech Technical Interview Questions:
- 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?
Tech Mahindra Technical Interview Questions for Freshers
- 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?
Tech Mahindra Technical Interview Questions and Answers
What do you mean by normalization?
Answer: Data in a database are organized through a process called normalization. This comprises the creation of tables and the establishment of linkages between those tables in accordance with rules aimed to secure the data and make the database more adaptable by removing redundancy and inconsistent dependence.
Define: stack, queue, array, and linked list.
Answer: Stack: A stack is a linear data structure that is represented by a fixed sequence of elements.
Queue: A queue is a collection of items that are added and withdrawn in accordance with the first-in, first-out (FIFO) principle.
Array: An array is a group of connected data values known as elements, each of which is designated by an index array.
Linked list: A linked list is the most widely used data structure for handling dynamic data items. A linked list is made up of data elements known as nodes.
There are two fields on each node:
- One field contains data.
- The node holds a reference to the next node in the second field.
What do you mean by 3NF in DBMS?
Answer: The third normal form (3NF) is a relational database schema design technique that uses normalizing principles to decrease data duplication, prevent data errors, guarantee referential integrity, and streamline data maintenance.
What are the four different storage classes available in C?
Answer: The following are the four different storage classes available in C:
- Register
- Auto
- Extern
- Static
Define the operating system.
Answer: An operating system is a type of software that manages files, memory, processes, input, and output, and controls peripheral devices, among other fundamental duties.
What are pointers?
Answer:
A variable that contains the address of another variable of the same type is known as a pointer. The value of the variable to which the pointer points is obtained by dereferencing it using the * operator. There are various kinds of pointers, including null, void, wild, and others.
What do you mean by structured programming?
Answer:
Structured Programming is a programming paradigm in which the control flow is completely structured. A structure is a block that has a set of rules and a defined control flow. Structured programming is utilized in almost all programming paradigms, including the OOPs model.
What do you understand about Structured Programming?
Ans: Structured Programming is a programming paradigm that involves a totally structured control flow. Structure refers to a block, such as (if/then/else), (while and for), block structures, and subroutines, that contains a set of rules and has a defined control flow. Structured programming is used in nearly all programming paradigms, including the OOPs model.
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