Chapter 1A - Chapter 1 Part A Data Communications and...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
1.1 Chapter 1 Part A Data Communications and Networks Overview
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1.2 Chapter 1: Data Communications and Networking Overview Chapter 2: Data Communications Fundamental Chapter 3: Characteristics of Data Communication Networks Chapter 4: Reliable Data Communications Chapter 5: Multiple Access Networks Chapter 6: Internetworking Protocols Syllabus Syllabus
Background image of page 2
1.3 1-1 DATA COMMUNICATIONS 1-1 DATA COMMUNICATIONS The term The term telecommunication telecommunication means communication at a means communication at a distance. The word distance. The word data data refers to information presented refers to information presented in whatever form as agreed upon by the parties creating in whatever form as agreed upon by the parties creating and using the data. and using the data. Data communications Data communications are the are the exchange of data between two devices via some form of exchange of data between two devices via some form of transmission medium such as a wire cable. transmission medium such as a wire cable.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1.4 Figure 1.1 Five components of data communication What is data communications? Exchange of data between two devices via a transmission medium Any transfer of data within a computer, between computer and any other devices Exchange of digitally encoded information between two sides
Background image of page 4
1.5 Data Representation Text – represented as a bit pattern; codes often used: ASCII; Extended ASCII; Unicode; ISO Numbers – represented by binary equivalent Images – bit patterns representing pixels Audio Video
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1.6 Figure 1.2 Data flow (simplex, half-duplex, and full-duplex)
Background image of page 6
1.7 1-2 NETWORKS 1-2 NETWORKS
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 27

Chapter 1A - Chapter 1 Part A Data Communications and...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online