Media and networking pdf notes

These notes are according to the r09 syllabus book of jntu. Generally in a ring, a signal is ci rculating at all time s. Social media plays a vital role in transforming peoples life style. However, there are a few privacy and security issues worth keeping in mind. Networking academy program curricula overview like other networking academy program courses, the ccna courses are taught by trained instructors in each networking academy who deliver standardsbased content in specially equipped labs, where students practice handson exercises to apply the concepts they learn. Define voltage, resistance, impedance, current, and circuits. A node can be a computer, printer, or any other device capable of sending andor receiving data generated by other nodes on the network. Using social media for networking white label training. This layer is usually part of an operating system os and converts incoming and outgoing data from one presentation format to another for example, from clear text to encrypted text at one end and back to clear text at the other. Multimedia networking university of california, berkeley. If you have any doubts please refer to the jntu syllabus book. One of the oft seen topics in computers is hardware. Describe the functionality of lan, man, and wan networks.

Networking emphasizes relationship initiation, often between strangers. In general, a computer network composed of one or more servers, workstations, network interface cards, active and passive hub, routers, bridges, gateways, modem, software components like network operating system s, and other application software. Basic computer hardware notes in pdf computer awareness is tested in almost every exam. Transmission media is a pathway that carries the information from sender to receiver. Principles, protocols and practice, release techniques allow to create pointtopoint links while radiobased techniques, depending on the directionality of the antennas, can be used to build networks containing devices spread over a small geographical area. This address is technically called the media access control address mac because it is found on the mac sub layer of the data link layer. This media is superior in data handling and for security purposes. 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. Wireless lans wireless lan standards at the time this book was published, the ieee had rati. The remaining h bytes h 3,2,1 are used for the host machine. Topics in our studying in our computer networks notes pdf. The acronym bps stands for bits per second, which is a measurement of how fast information data travels between two devices. Networking fundamentals arun sundararajan at nyu stern. Describe unshielded twisted pair cable utp and its uses.

An electromagnetic signal is series of electromagnetic energy pulses at. Ethernet ethernet is a widely deployed lan technology. Introductiona network can be defined as a group of computers and other devices connected in some ways so as to be able to exchange data. Getting started if you are thinking about joining a social media platform, ask a friend or family member who is. If one device doe s not receive a signal within a specified period, it can iss ue an ala rm.

A transmission media where data signals are transmitted along a specific path through cable is known as guided transmission media. Network media includes connectivity devices for industrial networks including ethernet, controlnet and devicenet. Data communication and networking short notes 1 examradar. Note for computer network cn by chandan agrawal lecturenotes.

Both step index and graded index allow more than one. Our network media components help ensure network performance while simplifying construction of your architecture. Each of the devices on the network can be thought of as a node. Network which uses shared media has high probability of. In r and r15,8units of r09 syllabus are combined into 5units in r and r15 syllabus. Conducted media include twisted pair wire, coaxial cable, and fiber optic cable. Just like other technology, for example smartphones, social media is a very effective tool for connecting with people. Introduction now a days social media has been the important part of ones life from shopping to electronic mails, education and business tool. For offline study you can download pdf file from below link datacommunicationnetworkingstudynotespdf try now data communication and networking mcqs by behrouzforouzan. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Data is transmitted normally through electrical or electromagnetic signals. If you want to apply for a particular position but know. Pdf on nov 15, 2015, yekini nureni and others published data communication. In these computer networks notes pdf, we will study the concepts of data communication and computer networks which comprises of the study of the standard models for the layered protocol architecture to communicate between.

Notes data communication and networking 66 computer science 2. Fundamentals of computer networking and internetworking. Addresses are numeric quantities that are easy for computers to work with, but not for humans to remember. Cn lecture notes veer surendra sai university of technology. Social media includes social networking sites and blogs. Networking basic concepts and fundamentals explained. Web applications that facilitate interactive information sharing, interoperability, usercentered.

In these computer networks notes pdf, we will study the concepts of data communication and computer networks which comprises of the study of the standard models for the layered protocol architecture to communicate between autonomous computers in a. Describe the specifications and performances of different types of cable. Lecture notes introduction all communications media can be divided into two categories. The more people in your network, the better your chances of finding that perfect job. Hi there, here i am providing you the best notes on computer networking unit wise as per rgpv pattern to the point computre networking notes pdf free download or. Media is the reflection of our society and it depicts what and how society works. Notes on computer network and communication media grade 10. Controlnet fiber media lets you extend a segment of your network, provides immunity to electromagnetic interference emi, and allows installation in a. We chose not to employ the term networking for two reasons. So all students seeking computer networks book for jntu hyderabad, jntu kakinada, jntu anantapur, ggu, wbut, lpu, smu, galgotias, guru gobind singh indraprastha university, anna university, ptu, uptu, jmi, university of. Computer network notes lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. Data networking is like telephone calls we will devise and offer various data services charges will depend on distance and duration you only need 128 kbps d the early computer vendor answer a network connects computers in your organization we will devise all the necessary equipment and software.

A computer network consists of a collection of computers, printers and other equipment that is connected together so that they can communicate with each other. Digital marketing introduction also referred as online marketing, internet marketing and web marketing. While networking is possible on these sites, it is not the primary practice on many of them. Computers may connect to each other by either wired or wireless media. Identify the possible media types for lan and wan connections. Data communication and computer networks pdf notes dccn. The following components widely used for the construction of networks. A top down approach featuring the internet, 2nd edition. Ip is a standard that defines the manner in which the network layers of two hosts interact. Social networking on social media websites involves the use of the internet to connect users with their friends, family and acquaintances.

Describe coaxial cable and its advantages and disadvantages over other types of cable. Some exams like sbi po, sbi clerk, ibps po, ibps clerk, ssc cgl, railways rrb etc. Computer networks pdf notes free download cn notes. Chapter 1 introduction using the internet seems pretty easy. Introduction to wireless networks when you invent a new network. In terms of the osi reference model, the radio signal operates at the physical layer, and the data format controls several of the higher layers. The heart of ebusiness, butterworth heinemann, usa. We use different types of cables or waves to transmit data. It has fundamentally changed the way people learn, play, create and communicate. This technology was invented by bob metcalfe and d. Internet has revolutionized the communication world.

Introducing basic network concepts 3 basetech networking concepts team 2230894 blind folio 3 figure 1. Unless end devices are connected through the any kind of media, they cannot exchange the data or service. Introduction to new media page5 module i internet as a medium of communication. Media, either it is printed, electronic or the web is the only medium, which helps in making people informed. Devices include spools of raw cable, patchcords, cordsets, and a full line of accessories. Computer communication networks department of ece, ace page 1 computer communication networks unit 1. Chapter 6 these slides are adapted from the slides. Data communication and computer network tutorialspoint. It represents an agreement between the communicating devices. Practice now data communication and networking online tests. Copper media describe the specifications and performances of different types of cable. Notes on computer network and communication media grade. When two modems converse via the telephone line, the speed of modem communications is measured in bps.

In using social media for networking, youll get everything you need to create a webinar, workshop, ecourse, or paid product on how to use social media to network with colleagues, potential clients and partners, and influencers. In wireless media, radio signals are used to transfer the data between end devices, whereas in wired media, the data is transferred through cables. Higher data rates over longer distance can be achieved with coaxial cable. Coaxial cable consists of a stiff copper wire as the core, surrounded by an insulating material. To improve readability only network points are shown. Social media websites are not necessarily about meeting. Introduction to computer networks and data communications. Some examples of transmission media include twistedpair wire, coaxial cable, fiberoptic cable, and radio waves 5. Ive had a lot of networking failures and successes over the years, and i wanted to share some of the networking tips and tricks ive learned. The group of interconnected computers through transmission media inorder to communicate and share resources like hardware, data and software is known as communication media.

References smith p r chaffey dave, emarketing excellence. Basic computer hardware questions are easy to remember and can. And a lot of people think its more difficult or unattainable than it really is. Its a word with a lot of preconceived notions attached to it. A man is optimized for a larger geographical area than a lan, ranging from several blocks of buildings to entire cities. Bus topology the bus topology consists of a single cable that runs to every workstation. Ip addresses are 32 bit long, hierarchical addressing scheme. Topics covered in data communication lecture notes. A man might be owned and operated by a single organization, but it usually will be used by many individuals and organizations. Fig 1 gives an example of a network in a school comprising of a local area network or lan connecting computers with each other, the internet, and various servers. For the remainder of this text, the term networkwill. Introduction to networks networking engineering is a complicated task, which involves software, firmware, chip level engineering, hardware, and electric pulses. The network structure includes the wireless network interface adapters and base stations that send and receive the radio signals. Introduction to networking advantages of networking types of networks models of networking appropriate to students ncte recommendation to students some relevant terms.

A few words about audio compression analog signal sampled at constant rate telephone. Describe shielded twistedpair stp cable and its uses. Describe coaxial cable and its advantages and disadvantages overother types of cable. A protocol is a set of rules that govern data communications. Computer communication networks department of ece, ace page 3 layer 6. Topology is associated with channel access refer to the notes on layer2 protocols. Controlnet network media and connection devices provide flexibility when designing your network. A computer network consists of a collection of computers, printers and other equipment.

Social media its impact with positive and negative aspects. To connect two or more computers or networking devices in a network, network cables are used. Controlnet coax cable is a lowloss, rg6 quadshield coaxial cable for typical installations. The only constraint s are media and t raffic con sideration s maximum ring length and numbe r of devices. Data communication and computer network 8 let us go through various lan technologies in brief. Network cable types and specifications learn the specifications, standards, and features of the coaxial cable, twistedpair cable, and the fiberoptical cable.