NETWORKING & INTERNET

Data:-


    Data are raw facts and figures that becomes information after processing. That becomes                      information after processing. The data is plural form of its singular word Datum
              In computer science, everything is considered as data but there forms are different. 

Data can be found in the following forms:-

(i) Text
(ii)Numerals
(iii)Images
(iv) Audios
(v) Videos etc


Note:- Everything in computer science/computer technology or computer is represented in form of data/information.



Data Communication:-


The exchange of data between/ among two or more devices / entities is called data communication/transmission.
           In computer network ,there are five components used to perform data communication /transmission . These components are as follows:-

(i) Sender
(ii)Receiver
(iii)Message
(iv)Medium/ Transmission medium
(v) Protocal

(i) Sender:-
               This component sends data to receiver. It  can be a device,Person ,etc.

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