class 7 (AI)


1. What is Artificial Intelligence (AI)?

Artificial Intelligence (AI) is a branch of computer science that makes machines or computers think, learn, and act like humans.

Example:

  • Google Assistant answering questions

  • Face recognition in mobile phones

  • Chatbots replying to messages

2. Types of Artificial Intelligence

AI is mainly divided into two types:

A. Weak AI (Narrow AI)

Weak AI is designed to perform one specific task only.
It cannot think on its own.

Examples:

  • Google Assistant

  • Siri

  • Calculator

  • Chess-playing computer

👉 Used in daily life
👉 Most common type of AI today

B. Strong AI (General AI)

Strong AI is an AI system that can think, learn, and make decisions like humans.

Examples:

  • Human-like robots (only in research, not fully developed)

  • AI that can solve any problem like a human

👉 Still under development
👉 Does not exist fully yet

3. Applications of AI

A. AI in Education

AI helps students and teachers in learning and teaching.

Examples:

  • Online learning apps (Byju’s, Khan Academy)

  • Automatic exam evaluation

  • Smart classrooms

B. AI in Healthcare

AI helps doctors in treatment and diagnosis.

Examples:

  • AI detecting diseases from X-rays

  • Health monitoring apps

  • Robot-assisted surgery

C. AI in Banking

AI makes banking fast and secure.

Examples:

  • Chatbots for customer support

  • Fraud detection

  • ATM face recognition

D. AI in Finance

AI helps in managing money and investments.

Examples:

  • Stock market prediction

  • Credit score checking

  • Online payment security

E. AI in Autonomous Vehicles

Autonomous vehicles are self-driving vehicles.

Examples:

  • Self-driving cars (Tesla)

  • Automatic braking system

  • Lane detection system

4. Evolution (History) of Artificial Intelligence

1950

  • Alan Turing introduced the idea of machine thinking

  • Turing Test proposed

1960

  • First AI programs created

  • Basic problem-solving machines

1970

  • Expert systems developed

  • AI used in laboratories

1980

  • AI used in industries

  • Robotics development started

1990

  • AI applied in games and databases

  • Speech recognition started

2000

  • Internet and AI combined

  • Smart search engines

2010

  • Machine Learning and Deep Learning

  • Voice assistants introduced

2020

  • AI in healthcare, smart cities

  • ChatGPT, smart robots, self-driving cars

5. Advantages of Artificial Intelligence

A. Safety and Security

AI helps to protect people and data.

Examples:

  • CCTV face recognition

  • Fraud detection systems

  • Cyber security

B. Smart Homes and Smart Cities

AI makes life comfortable and efficient.

Examples:

  • Smart lights and fans

  • Smart traffic lights

  • Smart waste management

C. Traffic Management

AI reduces traffic problems.

Examples:

  • Smart traffic signals

  • Accident detection

  • Route planning apps (Google Maps)

D. Intelligent Security Systems

AI improves security systems.

Examples:

  • Fingerprint scanners

  • Face recognition systems

  • Motion detection alarms


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