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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.
Q. Describe key features of the von Neumann Architecture? Describe key features of the von Neumann Architecture: The mainly basic function performed by a computer is exe
In a 10000 line exchange, 0000 to 2999 is allotted to x group of subscribers, out of which 40% are active during busy hour. The remaining numbers are domestic numbers out of which
Convert the binary number 10110 to Gray code ? Ans. For changing binary number 10110 in its equivalent Gray code the rules are as, the left most bit that is MSB in Gray code is 1
Q. Illustrate working of rubber dome keyboards? Rubber Dome: In rubber dome keyboards both positioning and contact are controlled by a puckered sheet of elastomer that is a s
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Explain a public key encryption system? A public key encryption system permits only the correct receiver to decode the data.
Reprography In order to disseminate information widely some method of reprography is invariably used. Reprography is the science and practice of copying documents by photograph
Q. Power supply in computer system? Computer operate electronically- either by power supply attained from your electric plug or batteries in case of portable computers. Though
8085 the interrupts are classified as Software and Hardware interrupts.
Use the input capture to control the digital clock. In this part, there will be two switches to control the clock, one is for starting the clock and one is for stopping the clock.
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