Scientific and Technical Computing

In this module some of the basic aspects of computer networks are presented in two lessons
. In lesson  the historical background of computer networks is presented
. Then different type of networks and their classification on the basis of transmission technology and scale are considered
. In the next section important applications of computer networks, which spans over different areas in a common man life are discussed
. Lesson  presents the important concepts of layering
. The basic terminologies in the context of layered architecture are also covered in this section
. Then this lesson provides an introduction of PSI layered architecture - Open System Interconnection Reference Model
. Basic functionalities of different layers of PSI and concept of service access points and information exchange will also be dealt in this lesson.  

Scientific and Technical Computing

Scientific and Technical Computing – Client Server Model, Distributed Processing Parallel Processing, Communication Media Commercial – Advertisement, Telemarketing, Teleconferencing – Worldwide Financial Services – Network for the People (this is the most widely used application nowadays) – Medicine, Distance Education, Access to Remote Information, Person-to Person Communication, Interactive Entertainment Course Outline Over the years the subject of computer networks has grown with advancement of technology and the emergence of new technologies and new applications
. In this course, this massive subject has been divided into comprehensible parts and arranged in a structured and logical manner
. It is organized in the following eight modules:
• Introduction
 • Data Communication Fundamentals
 • Data Link Control 
• Switched Communication Networks 
• Broadcast Communication Networks
 • Internet working
 • Routing and Congestion Control
 • Network Security