📚 Course Contents

🖥️ Basic Computer Details

1. What is a Computer?

A computer is an electronic device that processes data and performs tasks according to a set of instructions (software).

2. Main Parts of a Computer

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

• Monitor – Displays output (screen)
  
  

• Keyboard – Used for typing input
  
  

• Mouse – Used to point and click
  
  

• Printer – Prints output on paper
  
  

• Speakers – Output sound
  
  

• UPS – Uninterrupted Power Supply
  
  

3. Types of Computers

• Desktop Computer
  
  

• Laptop
  
  

• Tablet
  
  

• Smartphone
  
  

• Server
  
  

4. Computer Components

• Hardware – Physical parts of a computer (e.g., keyboard, mouse)
  
  

• Software – Programs and operating systems (e.g., Windows, MS Office)
  
  

5. Input and Output Devices

• Input Devices: Keyboard, Mouse, Scanner, Webcam
  
  

• Output Devices: Monitor, Printer, Speakers, Projector
  
  

6. Common Software

• Operating Systems: Windows, Linux, macOS
  
  

• Application Software: MS Word, Excel, PowerPoint, Tally
  
  

• Browsers: Google Chrome, Firefox
  
  

7. Basic Computer Functions

• Input → Processing → Output → Storage
  
  

8. Storage Devices

• Hard Disk
  
  

• Pen Drive (USB)
  
  

• Memory Card
  
  

• CD/DVD
  
  

9. Uses of Computers

• Education
  
  

• Banking
  
  

• Office Work
  
  

• Communication (Email, WhatsApp)
  
  

• Internet Browsing
  
  

• Online Shopping