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Normally, we think of communications science as dealing with the contemporaneous exchange of information among distant parties. Though, many of the same techniques employed in data communications are also applied to data storage to make sure that the retrieval of information from a storage medium is accurate. We find, for example, that same kinds of error-correcting codes used to protect digital telephone transmissions from noise are also used to guarantee correct readback of digital data from compact audio disks, CD-ROMs, and tape backup systems.
Question : (a) Several techniques are now available for users to connect to the Internet. (i) A modem is commonly used to dial up to the Internet. Why is a modem needed fo
Bootstrapping all the processes and establishing correct lines of communication is, by itself, the toughest aspect of this assignment. Before writing any code you should think care
What is Groupware Groupware are a collection of software tools that encompass a broad range of applications. Even though groupware broadly consists of applications like calend
Q. Explain Full Duplex data transmission? - Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions). - If this is
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
Determine about the Security Systems If the company intends to connect to the Internet, then it should pay great attention to the configuration of firewalls. Just as no one wo
What is a File server? File servers are helpful for sharing files across a network. With a file server, the client passes requests for file records over system to file server.
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What is a OSI layer 2 device called a "barter"?
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