Question
Explain about modem?
Answers
It is Modulator Demodulator Circuit.It is used for long distance transmission. It is a connectivity device, which support connectivity with the Internet.
Types of modem:

Internal 
External

Features of Internal : 

In Built     
Less expensive  
Not Portable  
Slower   
More Maintenance 

Features of external modem : 

Connected Externally
More Expensive
Portable
Faster
Less Maintenance   Your Comment




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