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Q. What do you understand by OSI?
Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes through a network medium to a software application in another computer. The OSI reference model is a basic conceptual model composed of seven layers, each indicate particular network functions. The model was designed by the International Standardization Organization (ISO) in 1984, and it is now considered the main architectural model for inter-computer communications.
Error Detection-- CRC Powerful error detection system Rather than addition, binary division is utilized A series of redundant bits called "CRC" or else "CRC remai
What is the different type of networking / internetworking devices? Repeater: Also called a regenerator, it is an electronic device that operates only at physical layer. I
Asynchronous or Statistical Time Division Multiplexing As we have seen synchronous TDM does not guarantee that the full capacity of a link in sued. In fact it is more like
Q. How is computer networks used in sales and marketing? Marketing and sales: Computer networks are used extensively in both marketing and sales organizations. Marketing pr
Question: (a) (i) Distinguish between Physical topology and Logical topology. (ii) Explain the following statement with the help of a diagram: "A star topology can have a l
What are routers? Routers work to connect two or more network segments. These are the most intelligent network devices that store information in its routing table like paths, h
Elements of protocol
Describe in detail with example how data fragmentation works?
Question 1: ‘There is an overwhelming imperative for organisations to analyse every bit of information they can extract from their huge data warehouses for competitive advant
After studying this part the students will be able to understand about the following: Analysis of Parallel Algorithms; Different Models of Computation; o Interco
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