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  • Complete 11th Informatics Practices Cbse Notes in pdf format -₹30
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Class 11th Informatics Practices Notes: Exam Preparation Made Easy Unit-3

  Unit 3: Database concepts and the Structured Query Language  *Introduction to Database Concepts* - A database is a collection of organized data that can be easily accessed, managed, and updated. - Data is a collection of raw facts and figures, whereas information is the processed data that has meaning and value. *Need for Database Management Systems* - To store and manage large amounts of data efficiently - To provide a structured and organized way of storing data - To ensure data accuracy, completeness, and consistency - To provide a secure and controlled access to data - To support multiple users and applications *Types of Databases* - Relational Databases (RDBMS): uses tables to store data - Hierarchical Databases: uses a tree-like structure to store data - Network Databases: uses a graph-like structure to store data - Object-Oriented Databases: uses objects to store data *Database Management System (DBMS)* - A software system that manages and controls access to a database - Provi
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Informatics Practices Class 11: Unit -4 MCQs Part-1

1. Which technology enables devices to connect and communicate with each other? a) Artificial Intelligence (AI) b) Internet of Things (IoT) c) Blockchain d) Cloud Computing Answer: b) Internet of Things (IoT) Explanation: IoT enables devices to connect and communicate with each other, making them "smart" devices. 2. Which emerging trend involves the use of decentralized, digital ledgers to record transactions? a) Artificial Intelligence (AI) b) Blockchain c) Cloud Computing d) Cybersecurity Answer: b) Blockchain Explanation: Blockchain technology uses decentralized, digital ledgers to record transactions securely and transparently. 3. Which technology enables machines to learn and improve their performance without human intervention? a) Artificial Intelligence (AI) b) Internet of Things (IoT) c) Blockchain d) Cloud Computing Answer: a) Artificial Intelligence (AI) Explanation: AI enables machines to learn and improve their performance without human intervention, using algorit
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Class 11th Informatics Practices Notes: Exam Preparation Made Easy Unit-2

 Unit 2: Introduction to Python *What is Python?* - High-level, interpreted programming language - Easy to learn and use - Versatile and widely used in various fields (web development, data science, machine learning, etc.) *Who invented Python?* - Guido van Rossum (Dutch computer programmer) - Started developing Python in 1989 - Released first version (Python 0.9.1) in 1991 - Named after the British comedy group Monty Python's Flying Circus - Guido van Rossum is still active in the Python community - The latest version of Python is version 3.12.4, which was released on June 6, 2024.  Install Python from official website Here are some benefits and applications of Python programming: 1. *Easy to Learn*: Python has a simple syntax and is relatively easy to learn, making it a great language for beginners. 2. *Versatile*: Python can be used for web development, data analysis, machine learning, automation, and more. 3. *Large Community*: Python has a large and active community, which mea
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