HCLTech Software Development Engineer Interview Questions, Process, and Tips

They provide topic - for me 70 hour work week

40-50 minutes, they asked simple DSA problem ,some project related questions.

Q1. In this round they asked questions full stack developer related. They are also asked questions about my full stack project.
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Q1. What is OS, and what is the difference between macOS and Windows?
Ans. 
OS stands for Operating System. macOS and Windows are two different operating systems with different user interfaces and functionalities.
• OS (Operating System) is a software that manages computer hardware and provides common services for computer programs.

• macOS is the operating system developed by Apple for their Macintosh computers.

• Windows is the operating system developed by Microsoft for personal computers.

• macOS has ...read more
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Q2. Tell me about DNS.
Ans. 
DNS stands for Domain Name System, which translates domain names to IP addresses.
• DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

• It helps in resolving domain names to IP addresses, making it easier for users to access websites.

• DNS operates through a distributed database system, with multiple servers around the world.

• It consists of...read more
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Verbal ability, logical ability, technical ability

Coding challenge; Java/python/.NET

Q1. What is opps concept ?
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects.
• OOPs focuses on creating objects that contain both data and functions.

• It emphasizes on encapsulation, inheritance, and polymorphism.

• 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 al...read more
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Q2. What is difference between DBMS and RDBMs?
Ans. 
DBMS is a software to manage databases while RDBMS is a type of DBMS that uses a relational model.
• DBMS stands for Database Management System while RDBMS stands for Relational Database Management System.

• DBMS can manage any type of database while RDBMS uses a specific model to manage data.

• RDBMS uses tables to store data and relationships between tables are defined by keys.

• Examples of RDBMS include MySQL, Oracle, and SQL ...read more
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Q3. What is normalisation?
Ans. 
Normalisation is the process of organizing data in a database to reduce redundancy and improve data integrity.
• It involves breaking down a table into smaller tables and defining relationships between them.

• Normalization helps to eliminate data inconsistencies and anomalies.

• There are different levels of normalization, with each level having stricter rules for data organization.

• Examples of normalization include converting ...read more
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Q4. What is Sum Of Digit and ProductOfDogit why used ?
Ans. 
Sum of Digit and Product of Digit are mathematical operations used in various applications.
• Sum of Digit is the sum of all the digits in a number. It is used in various applications like checking if a number is divisible by 3 or 9.

• Product of Digit is the product of all the digits in a number. It is used in various applications like checking if a number is a perfect square or if it has any repeated digits.

• Both operations...read more
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Q5. What is data structures?
Ans. 
Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Data structures are used to manage and manipulate data.

• They can be implemented using arrays, linked lists, trees, graphs, and more.

• Examples include stacks, queues, hash tables, and binary search trees.
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Q6. Which technology work in your company?
Ans. 
Our company uses a variety of technologies depending on the project requirements.
• We use Java for backend development

• We use React and Angular for frontend development

• We use AWS for cloud computing

• We use Docker for containerization

• We use Git for version control

• We use JIRA for project management
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Q1. Introduce yourself ? Tell about Yourself
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Q2. Why should we hire you?
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Q3. Why HCl company only?
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