Notes on computer networks pdf

Datagram networks. Data link layer: Introduction, Block coding, cyclic codes, chccksum, framing, flow and error control, Noiseless channels, noisy channels, HDLC, point to point protocols. Medium Access sub layer: Random access, controlled access, channelization. IEEE standards. QoS in switched networks. In R13 ,8-units of R09 syllabus are combined into 5-units in r13 syllabus. A1: A computer network is a group of computers linked to each other that enables the computer to communicate with another computer and share their resources, data, and applications.

It is used to connect two or more personal computers through a communication medium such as coaxial cable, twisted pair, etc. LAN is not very costly as it is built with inexpensive hardware such as network adapters, hubs and ethernet cables. The data in Local Area Network will be transferred at an extremely faster rate. LAN provides higher security. It is a network arranged within a range of 10 meters, typically within an individual person.

PAN is used for connecting the computer devices of personal use. Personal Area Network idea was bought by Thomas Zimmerman who was a research scientist. It covers an area of 30 feet. Personal computer devices that are used to develop the personal area network are the mobile phones, laptop, play stations and media players. Below is the list of computer networks book recommended by the top university in India.

Computer Networks lecture notes and study material includes computer networks notes , computer networks books , computer networks syllabus , computer networks question paper , computer networks case study , computer networks interview questions , computer networks courses in computer networks pdf form. Did we miss something in B. Come on! Save my name, email, and website in this browser for the next time I comment. Skip to content Post last modified: 30 March Reading time: 8 mins read.

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