By S.S. Shinde
This ebook bargains with uncomplicated specifications of verbal exchange wanted for desktop Networking and particular bottom-up technique of OSI layers. This e-book is extra special and analytical than the other introductory computing device Networking texts. This booklet may function a whole textual content for all undergraduate scholars of BCA, BCS, B.Sc.(Computer), measure direction in Electronics & Telecommunication, info expertise, desktop technological know-how & Engineering of varied Technical Universities. it may even be valuable to practitioners within the telecommunications undefined.
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Extra resources for Computer Network
The term internet (lower case i) should not be confused with the internet (upper case I). The first is a generic term used to mean an interconnection of networks. The second is the name of a specific worldwide network.
By the definition of frequency modulation, the amount by which the carrier frequency is varied from its unmodulated value is called the deviation, is made proportional to the instantaneous value of the modulating voltage. The rate at which this frequency variation takes place is naturally equal to the modulating frequency. Fig. (2) where fc = unmodulated carrier frequency ; Hz. Vm cos ω m t = instantaneous value of modulating voltage ; V. The maximum deviation from this particular signal occurs when the cosine term has its maximum value.
1 NEED OF COMPUTER NETWORKS Computer Network satisfy a broad range of purposes and meet various requirements. Need of computer network arises for various purposes, and these are: 1. To provide sharing of resources such as information or processors. 2. To provide inter-process communication among users and processors. 3. To provide distribution of processing functions. 4. To provide centralised control for a geographically distributed system. 5. To provide centralised management and allocation of network resources.
Computer Network by S.S. Shinde