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Intranets are mainly "small" Internets. They use same network facilities that Internet does, though access is restricted to a limited sphere. For example, a company can set up an intranet within confines of the company itself. Access can be tightly controlled and limited to authorized staff and employees. There is no connection to Internet or any other outside network. Functions such as web sites, downloads and file uploads and e-mail is available on intranets within confines of network. Because frivolous sites are no longer available, there is no employee time lost because of accessing them. There is, of course, limitation of the networking area. Very benefit of restricting access to all of facilities available on Internet also restricts communication to other desirable locations. This is where extranet steps in. An extranet is network which connects a number of intranets in a truly mini-Internet Access is extended to all intranets connected through extranet, though, again, not to Internet. Extranets requires a constant Internet connection as well as a hypertext transfer protocol (http) server.
Where Virtual memory is used ? Ans. Virtual memory is utilized in all main commercial operating systems.
The MSI chip 7474 is ? Ans. MSI chip 7474 is TTL, dual edge triggered D Flip-Flop.
Which is not a layer of IO management module? Ans. MCS that is Management Control System, is not a layer of IO management module.
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Structuring the Web site is first step towards building the corporate Web site. Structuring includes creating a folder that includes all our picture files, text files and database
Q. Explain about Threads Model - programming model? In this model a single process can have many as well as concurrent execution paths. The main program is planned to run by na
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