Computers are electronic devices that process data and perform tasks according to a set of instructions called programs. They have become essential tools in nearly every field of life, from education and healthcare to business and entertainment.

Basic Components of a Computer:

1. Input Devices – e.g., Keyboard, Mouse, Scanner

2. Output Devices – e.g., Monitor, Printer, Speakers

3. Central Processing Unit (CPU) – The brain of the computer

4. Memory:

   • RAM (Random Access Memory) – Temporary storage

   • Hard Drive/SSD – Permanent storage

5. Motherboard – Connects all components

6. Power Supply Unit (PSU) – Powers the components

 Types of Computers:

• Desktop Computers – Stationary, powerful

• Laptops – Portable and versatile

• Tablets and Smartphones – Compact and touch-based

• Servers – Handle data for networks and websites

• Supercomputers – Extremely fast, used in science & simulations   

• Uses of Computers:

• Education – Online learning, digital classrooms

• Business – Data management, communication, automation

• Healthcare – Patient records, diagnostics, robotic surgery

• Entertainment – Games, movies, music, content creation

• Communication – Emails, video calls, social media