An Introduction to Computer Networks archive of html files, menvacogbirdlist.tk format, and in other formats as may prove useful. . Progress Notes. COMPUTER NETWORKS. Lecture Notes. DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING. SHRI VISHNU ENGINEERING COLLEGE FOR WOMEN. Computer Networking: Principles, Protocols, and Practice was written by Dr. Olivier Bonaventure of the. Université catholique de Louvain for teaching Local Area.
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Introduction. -A network can be defined as a group of computers and other devices connected in some ways so as to be able to exchange data. -Each of the . Data Communication and Computer Network i. About the Tutorial. This tutorial gives very good understanding on Data Communication and Computer. Networks. COMPUTER COMMUNICATION. NETWORKS NOTES. Prepared by: SHIVANAND GOWDA K R. Asst. Prof., Dept of ECE,. Alpha College Of Engineering.
Homework Review the slides and notes for week 1 after the class. Review the week 2 slides and notes before coming to the next class. Week 2 - Communication Reference Models This week we look at communication reference models, in particular the OSI Open Systems Interconnection model that characterizes and standardizes the internal functions of a communication system by partitioning it into abstraction layers.
Homework Review the slides and notes for week 2 after the class. Review the week 3 slides and notes before coming to the next class.
Week 3 - Basic Communication Concepts This week we look at the basic concepts related to three fundamental communication topics. Considering electromagnetic signals we look at amplitude, frequency, the modulation of either to carry a signal, and signal degradation.
Considering media sharing we look at multiplexing, collisions, and ways to avoid collisions or to recover when they occur. Considering error detection and correction we look at parity, checksums, and Hamming distance. Homework Review the slides and notes for week 3 after the class.
Review the week 4 slides and notes before coming to the next class. Week 4 - Media and Devices The different physical media connecting network devices are considered. Then we look at the different kinds of device that are found on a typical network including NICs, repeaters, hubs, swiches and routers.
A few server concepts are explored including reliability hardware such as uninterruptible power supplies and RAID storage. Homework Review the slides and notes for week 4 after the class. Review the week 5 slides and notes before coming to the next class. The following components widely used for the construction of networks.
MAC uses a general technique called random access. This level is responsible for transporting the bits on physical media varied. To access a support, use an access interface. At incoming optical fibers correspond outgoing optical fibers.
If the switch uses an electrical part, the switch is said optoelectronics and not only optical. These switches are based on the interconnection of switching elements, that is to say, switches which have two input gates and two output ports as shown in Figure.
Connected in series, these elementary switches allow making great switches.
The design of these devices, however, poses many problems. The figure illustrates a node of a routing network wherein wavelengths of the same wavelength are used repeatedly.
Distributed system is called, When collection of various computers seems a single coherent system to its client, then it is called distributed system. Communication channel is shared by all the machines on the network in broadcast network. When two modems converse via the telephone line, the speed of modem communications is measured in bps. Some networks also provide names that humans can more easily remember than numbers.
Udp, the Internet Transport Protocols: Share this article with your classmates and friends so that they can also follow Latest Study Materials and Notes on Engineering Subjects.
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Related Topics. Computer Networks Syllabus- B. Define Encapsulation and Peer to Peer communication in the layered architecture.