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10+ Tricon Infotech Interview Questions and Answers

Updated 5 Feb 2024
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Q1. How many such letter-pairs are there in the word SERVANT, having the same no. of letters left between them in the word as they have in the series?

Ans.

Counting letter-pairs with same no. of letters left between them in the word SERVANT.

  • Identify the letter-pairs in the word SERVANT.

  • Count the number of letters between each pair.

  • Compare the count with the position of the pair in the word.

  • If they match, increment the count of such pairs.

  • Answer the total count of such pairs.

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Q2. Describe difference between data hiding and abstraction.

Ans.

Data hiding is hiding the implementation details while abstraction is hiding the complexity of the system.

  • Data hiding is a technique to hide the implementation details of a class from the outside world.

  • Abstraction is a technique to hide the complexity of the system by providing a simplified interface.

  • Data hiding is achieved through access modifiers like private, protected, and public.

  • Abstraction is achieved through abstract classes and interfaces.

  • Data hiding is used to preven...read more

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Q3. What are ACID properties in DBMS?

Ans.

ACID properties are a set of properties that ensure reliability and consistency of data in a database.

  • ACID stands for Atomicity, Consistency, Isolation, and Durability.

  • Atomicity ensures that a transaction is treated as a single, indivisible unit of work.

  • Consistency ensures that the database remains in a valid state before and after a transaction.

  • Isolation ensures that concurrent transactions do not interfere with each other.

  • Durability ensures that once a transaction is commit...read more

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Q4. What is Delete in SQL?

Ans.

DELETE is a SQL command used to remove rows from a table.

  • DELETE is used with the WHERE clause to specify which rows to remove

  • It can also be used with JOIN to delete rows from multiple tables

  • The deleted rows can be recovered using the ROLLBACK command

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Q5. How can I learn python? consider I'm a newbie

Ans.

Learning Python as a newbie

  • Start with basic syntax and data types

  • Practice coding exercises and challenges

  • Read documentation and watch tutorials

  • Join online communities and forums for support

  • Work on personal projects to apply knowledge

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Q6. What are OOPs concepts?

Ans.

OOPs concepts are the fundamental principles of Object-Oriented Programming that help in designing and implementing software systems.

  • Encapsulation: bundling of data and methods that operate on that data

  • Inheritance: creating new classes from existing ones

  • Polymorphism: ability of objects to take on multiple forms

  • Abstraction: hiding implementation details and showing only functionality

  • Examples: Java, C++, Python, Ruby

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Q7. Difference between Place by value and place by reference.

Ans.

Place by value passes a copy of the value, while place by reference passes a reference to the original value.

  • Place by value creates a new copy of the value, while place by reference uses the original value.

  • Place by value is used for simple data types like integers and floats, while place by reference is used for complex data types like arrays and objects.

  • An example of place by value is passing an integer to a function, while an example of place by reference is passing an arra...read more

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Q8. Tell me about principles of OOPs

Ans.

OOPs principles are encapsulation, inheritance, and polymorphism.

  • Encapsulation is the process of hiding implementation details from the user.

  • Inheritance allows a class to inherit properties and methods from another class.

  • Polymorphism allows objects to take on multiple forms or behaviors.

  • Abstraction is the process of hiding complex implementation details from the user.

  • Objects are instances of classes that contain data and behavior.

  • Classes are templates for creating objects wit...read more

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Q9. What is OOPS concept?

Ans.

OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.

  • OOPS is based on four main concepts: encapsulation, inheritance, polymorphism, and abstraction.

  • Encapsulation is the process of hiding the implementation details of an object from the outside world.

  • Inheritance allows a class to inherit properties and methods from another class.

  • Polymorphism allows objects of different classes to be treated as if they were of the same...read more

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Q10. What is Scrum?

Ans.

Scrum is an agile framework for managing and completing complex projects.

  • Scrum involves a team working together to complete a project in short iterations called sprints.

  • The team has daily stand-up meetings to discuss progress and plan for the day.

  • Scrum emphasizes flexibility and adaptability to changing requirements.

  • The product owner prioritizes the backlog of work and the team works to complete the highest priority items first.

  • Scrum includes roles such as the Scrum Master, P...read more

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Q11. Write a program of factorial

Ans.

A program to calculate factorial of a number.

  • Take input from user

  • Use a loop to multiply the number with all the numbers less than it

  • Print the result

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Q12. Difference between Java or C++ and C

Ans.

Java and C++ are object-oriented languages while C is a procedural language.

  • Java and C++ have built-in support for object-oriented programming concepts like inheritance, polymorphism, and encapsulation.

  • C++ allows for low-level memory manipulation and has better performance than Java.

  • C is a procedural language and lacks the object-oriented features of Java and C++.

  • C is commonly used for system programming and embedded systems.

  • Java is platform-independent while C++ and C are pl...read more

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Q13. How aeroplane flies?

Ans.

An airplane flies due to the principles of aerodynamics and the use of engines to generate thrust.

  • Airplanes generate lift through the shape of their wings and the Bernoulli's principle.

  • Thrust is generated by the engines, which propel the airplane forward.

  • The airplane's weight is counteracted by the lift generated by the wings.

  • Control surfaces such as ailerons, elevators, and rudder are used to control the airplane's movement.

  • Pilots use instruments and controls to monitor and ...read more

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Q14. Real life example of Stack ,Queue, Binary Search.

Ans.

Stack, Queue, and Binary Search are common data structures used in computer science.

  • Stack: Last In First Out (LIFO) data structure. Example: Undo/Redo feature in a text editor.

  • Queue: First In First Out (FIFO) data structure. Example: Print queue in a printer.

  • Binary Search: Efficient search algorithm for sorted arrays. Example: Searching for a word in a dictionary.

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Q15. What is SDLC?

Ans.

SDLC stands for Software Development Life Cycle. It is a process used to design, develop, and maintain software systems.

  • SDLC is a structured approach to software development.

  • It consists of several phases including requirements gathering, design, coding, testing, deployment, and maintenance.

  • Each phase has specific activities and deliverables.

  • SDLC helps ensure that software is developed efficiently, meets user requirements, and is of high quality.

  • Examples of SDLC models include...read more

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Interview Process at Tricon Infotech

based on 4 interviews
4 Interview rounds
Aptitude Test Round - 1
Aptitude Test Round - 2
Aptitude Test Round - 3
Personal Interview1 Round
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