Data Encoding and Decoding with Modulation Techniques (Computer Science)

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Definition of Encoding: It is a process of converting the one type of signals into another form or can be simply defined as the data will be converted into the special type of characters or symbols depending upon the requirement.
These specialized characters or symbols will be transferred in the channel while communication and data transfer between sender and receiver.
Definition of Decoding: Decoding means that reverse conversion of specialized characters into original text.
It will be done at the receiver’s end.
Benefit of Encoding and Decoding
Data can not be hampered or read by any of the intruder in the channel or intermediate path while communication.
Techniques under Encoding : NRZ
\NRZ: It stands for Non Return to Zero.
It uses two levels of voltage as binary values i.e. 0 and 1.
0 represents the negative value and
1 represents the positive value. Voltage will be return to Zero during bit interval.
Techniques under Encoding : NRZI
NRZI: It stands for Non Return to Zero Inverted.
Here transmission from high to low and low to high represents transmission by value 1.
If there is no transmission, it will be represented

Topics @0:13
Definition of Encoding @0:32
Definition of Decoding @1:49
Working of Encoding and Decoding @2:55
Techniques under Encoding @3:53
NRZ @3:56
Techniques under Encoding @5:03
NRZI @5:07
Questions @6:45

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0:00 Introduction
0:12 Topics
2:55 Working of Encoding and Decoding
3:54 Techniques Under Encoding: NRZI
6:45 Questions #ugcnet #doorsteptutor #examrace