Chapter 9 : Basic Electronics

Chapter No 9: Topic: 9.1: Semiconductors  
Introduction to Semi-conductor
Chapter No 9: Topic: 9.1: Semiconductors  
n-type Substances
Chapter No 9: Topic: 9.1: Semiconductors  
p-type Substances
Chapter No 9: Topic: 9.2: Semiconductor diode    
Forward Biased p-n Junction
Chapter No 9: Topic: 9.2: Semiconductor diode    
Reverse Biased p-n Junction
Chapter No 9: Topic: 9.2: Semiconductor diode    
Diode as a Rectifier
Chapter No 9: Topic: 9.3: Radio    
Radio  
Chapter No 9: Topic: 9.3: Radio    
Transmission of Radio waves Through Space  
Chapter No 9: Topic: 9.4: Television    
Televisione  
Chapter No 9: Topic: 9.4: Television    
Cable Television and Satellite Television 
Chapter No 9: Topic: 9.5: Computers      
Introduction to Computer
Chapter No 9: Topic: 9.5: Computers      
More on Introduction to Computer
Chapter No 9: Topic: 9.5: Computers      
Information Storage Devices
Chapter No 9: Topic: 9.6: Information Technologies       
Communicating Information
Chapter No 9: Topic: 9.6: Information Technologies       
Telephone
Chapter No 9: Topic: 9.5: Computers      
Introduction to Cell Phone
Chapter No 9: Topic: 9.5: Computers      
Introduction to Fax Machine
Chapter No 9: Topic: 9.6: Information Technologies       
Telex machine