Sessional I 10 Marks
Sessional II 15 Marks
Quizzes 10 Marks
Assignments 15 Marks
Terminal Exam 50 Marks
Total 100 Marks
, Recommended Books
Course material about most of the topics can be found in the following text
books.
Data and Computer Computer Networks Data Communications and Networking,
Communications, Andrew S. Behrouz A. Forouzan,
William Stallings, Tanenbaum, Fourth Edition
Eighth Edition Fourth Edition
,Course Material Access
All the lecture slides and helping material, and course
information would be available in following yahoo or
gmail group.
* Group home page:
http://groups.google.com/group/datacomms
• Group email address
•
,Chapter 1 – Data Communications, Data
Networks, and the Internet
Instructor: Dr. Mustafa Shakir
,Contemporary Data Comms
trends
traffic growth at a high & steady rate
development of new services
advances in technology
significant change in requirements
emergence of high-speed LANs
corporate WAN needs
digital electronics
,A Communications Model
, Communications Tasks
Transmission system utilization Addressing
Interfacing Routing
Signal generation Recovery
Synchronization Message formatting
Exchange management Security
Error detection and correction Network management
Flow control