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March 30, 2025

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January 18, 2025

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1. 22. What is OOPs Concept And Why it is important : OOP (Object-Oriented Programming) is a programming paradigm based on the concept of "objects," which can contain data and code. The main OOP concepts are: Encapsulation: Bundling data and methods that operate on that data within an object. Inheritance: Creating new classes based on existing ones to promote code reuse. Polymorphism: Allowing methods to do different things based on the object that it is acting upon. Abstraction: Hiding complex implementation details and showing only the necessary features of an object. Why is OOPS Important? Code Reusability – Inheritance allows using existing code without rewriting. Modularity – Encapsulation keeps code organized and manageable. Flexibility & Scalability – Easy to modify and extend code. Security – Data hiding prevents unauthorized access. Better Problem Solving – Models real-world entities efficiently. 2. 23. Expain the basic Feature of O...

DBMS Interview Question

1. 31. Diffrenciate between DBMS and RDBMS : Database Management System (DBMS) is a software that is used to define, create and maintain a database and provides controlled access to the data. eg => Hadoop, NoSQL etc. RDBMS is used to store or manage only the data that are in the form of tables eg => MySQL, PostgreSQL, SQL server, Oracle etc.

CN Interview Question

1. 18. What is difference between LAN and WAN : LAN (Local Area Network) connects devices within a small geographic area, like a home or office, while WAN (Wide Area Network) connects larger geographical areas, such as cities or countries, often using leased telecommunication lines.

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