Tetra Information Services Interview Questions and Answers

Objective test,coding test,technical test

Python,c++,java,html,css

Round 1: Round 1 was an MCQ exam. The time allotted was 45 minutes and 30 questions had to be answered. There was negative marking for wrong answers(-1)

This was a programming round. We were given 4 questions that had to be solved in 1 hour. The coding questions were-

Matrix multiplication
Program to write linear convolution
A question based on graphs
Another question on the 2D array.

It consists of Computer Science subjects and 2 to 3 apptitudee majorly os and c++

3 question s are provided and they are from strings 2d array and graph

Q1. Matrix multiplication
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Q2. Valid paranthis or not and other dsa related questions
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Q1. About my project s
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Q2. Doubly linked list implementation
Ans. 
A doubly linked list is a data structure where each node contains a reference to the next and previous nodes.
• Nodes have two pointers: one to the next node and one to the previous node.

• Insertions and deletions can be done efficiently at both ends of the list.

• Traversal can be done in both directions.

• Example: DoublyLinkedListNode { data, prev, next }
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Q1. Some scenario based question
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Q2. And general questions
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It is easy and you can clear it.

It was moderate and hard questions

Contains 2 coding questions

Q1. Oops, computer architecture based questions
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Q2. Operating system questions
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Q3. Print the matrix in spiral
Ans. 
Print a matrix in spiral order
• Start by printing the first row from left to right

• Then print the last column from top to bottom

• Continue in a spiral pattern until all elements are printed
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Q4. Computer architecture based questions
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Q5. Tree, linkedlist based questions
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They just gave me an assessment with a few questions to test my subject knowledge

Q1. They asked me all the general questions and a few technical questions
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The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
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Q2. What is the difference between an interface and an abstract class?
Ans. 
Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheri...read more
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