A platform to get all the notes for VTU Students (CBCS Scheme) CCN. Notes Credits to Prof Jenita Subash (CITech, Blr). Last updated: 11/06/ NETWORKS NOTES. Prepared by: .. VT’s are a partial payload consisting of an m-by-n block of octets. An STS payload can be a combination of several VT’s. Computer Communication Network, CCN Study Materials For exam preparations, pdf free download Classroom ViewsNote3 Pages7 TopicsVTU.

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Popular forms of information include text, numbers, pictures, audio, and video. Data Communication and Networking, Behrouz A.

Jitter refers to the variation in the packet arrival time. The message is the information data to be communicated.

Touch here to read. Data delivered late are useless. Business decisions have to be made ever more quickly, and the decision makers require immediate access cccn accurate information.

VTU ECE 7th Sem Notes Free Download

Data that have been altered in transmission and left uncorrected are unusable. A protocol is a set of rules that govern data communications. It represents an agreement between the communicating devices. This kind of delivery is called real-time transmission. Share it with vt friends. If some of the packets arrive with ms delay and others with 40 ms delay, an uneven quality in the video is the result.


Data communications are the exchange of data between two devices via some form of transmission medium such as a wire cable. The transmission medium is the physical path by which a message travels from sender to receiver. People have found how to communicate with other people in the world to express their social and political opinions and problems.

For example, let ccb assume that video packets are sent every 30 ms.

But before we ask how quickly we can get hooked up, we need to know how networks operate, what types of technologies are available, and which design best fills which set of needs 1. Data Communications and NetworkingForouzan.

Nodes and Links 3.

7th sem ECE CCN Notes (Updated) | Everything VTU

Businesses today rely on computer networks and internet- works. Why wait a week for that report from Europe to arrive by mail when it could appear almost instantaneously through computer networks?

It is the uneven delay in the delivery of audio or video packets. The system must deliver data in a timely manner. Computer Communication Network by Jayaprasad Km.

VTU ECE 7th Sem Notes Free Download – VTU PRO

The receiver is the device that receives the message. Electronics and Communication Engineering Offline Downloads: Data communication and networking have found their way not only through business and personal communication; they have found many applications in political and social issues.


Vu sender is the device that sends the data message. Data vut be received by the intended device or user and only by that device or user. Communities in the world are not isolated anymore. Some examples of transmission media include twisted-pair wire, coaxial cable, fiber-optic cable, and radio waves.

The system must deliver data to the correct destination. The effectiveness of a data communications system depends on four fundamental characteristics: For data communications to occur, the communicating devices must be part of a communication system made up of a combination of hardware physical equipment and software programs. It can be a computer, workstation, telephone handset, video camera, and so on.

Computer Communication Network

The system must deliver the data accurately. Add to Favourite Add to Favourite Add to classroom. In the case of video and audio, timely delivery means delivering data as they are produced, in the same order that they are produced, and without significant delay. It can be a computer, workstation, telephone handset, television, and so on.