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Data Transmission


WHAT IS DATA TRANSMISSION

TRANSMISSION REFERS TO THE PROCESS OF TRANSFERRING THE DATA BETWEEN TWO OR MORE DIGITAL DEVICES IN ANALOG OR DIGITAL FORMAT. THIS DATA IS TRANSFERRED IN THE FORM OF BITS.

TYPES OF  DATA TRANSMISSION




PARALLEL  DATA TRANSMISSION

PARALLEL DATA TRANSMISSION SENDS MULTIPLE DATA BITS AT THE SAME TIME OVER MULTIPLE CHANNELS.


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SERIAL DATA TRANSMISSION

SERIAL DATA TRANSMISSION SEND DATA BITS ONE AFTER ANOTHER OVER A SINGLE CHANNEL.


DIFFERENT BETWEN SERIAL VS PARALLEL  TRANSMISSION DIAGRAM

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SYNCHRONOUS TRANSMISSION

A LOT OF DATA IS SENT IN A BLOCK EACH BLOCK HAS MANY CHARACTERS.


ASYNCHRONOUS TRANSMISSION 

ONLY ONE CHARACTER IS SENT AT A TIME WEATHER THAT A CHARACTER IS NUMBER OR ALPHABET IT USES START AND STOP BITS FOR TRANSFERRING DATA.



ASYNCHRONOUS VS  SYNCHRONOUS DIAGRAM



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