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Monday, October 5, 2009

Lecture # 01 Data communication (CS601)

Lecture - 01 Data communication (CS601)



This is the Lecture # 01 Data communication (CS601) form Virtual University.
Main topics covers in this Lecture are:


Data Communication
Brief History of Communication
Data Communication System
Key Data Communication Terminology

Telegraph 1837 Samuel Morse
Telephone 1876 Alexander Graham Bell

For Data Communication to occur, communicating devices must be a part of a system made up of some specific kind of hardware and software. This system is known as
“DATA COMMUNICATION SYSTEM”

Effectiveness depends upon three fundamental characteristics:
Delivery
Accuracy
Timeliness

A Data communication system is made up of 5 components:
–Message
–Sender
–Receiver
–Medium
–Protocol
“Data Communication is the exchange of Information from one entity to the other using a Transmission Medium”
Books

1. Data communication and networking 2nd edition by Behrouz A. Forouzan
2. Data and computer communication 6th edition by William Stalling

2 comments:

  1. Hi, Can u please tell me which VoIP adapter is best to use and what is difference between Portico and SIP VoIP adapter?
    Thanks!!

    ReplyDelete
  2. very useful information about data communication ... thanks

    ReplyDelete

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