Data Communication And Network

1. DATA COMMUNICATION
Submitted By:- Surajit Patra
Roll No.:- F-66
Session: 2018-20

2. Content
 Communication
 Data Communication
 Components
 Modes of Communication
 Transmission Medium

3. Communication
 Latin word means ‘to share’.
 act of transferring information
 important Components are Sender, Medium
and Receiver
 Types of Communication are verbal and
non-verbal

4. Communication

5. Data Communication
 Transmission of electronic data over
some media.
 Media may be cables or microwaves
 Electromagnetic or light waves that
transfer in encoded form are called
signals.
 Two types of signals – Analog & Digital

6. Components
 Fives basic elements are needed for any
communication.
 Sender – device that is used for sending data
 Receiver – device that receives the data
 Message – data that is sent through medium
 Medium – through which data is send
 Protocol– rules under which data transmission
takes place between sender and receiver.

7. Basic Diagram

8. Modes Of Transmission
 Manners in which data is transmitted
from one location to another
 There are three types of transmission
mode
 Simplex, Half Duplex and Full Duplex

10. Transmission Medium
 Physical path between transmitter and
receiver
 Data is transmitted through electrical or
electromagnetic signals
 Two types of Medium- Guided and
Unguided Medium
 Twisted pair cable, Coaxial cable &
Fiber optics cable

11. Transmission Medium

13. THANK YOU….