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安装完IIS之后，在地址栏中输入http://localhost无法访问：这时候应该逐个排除可能发生这种现象的原因。 1、打开Internert信息管理查看IIS是否启动，且默认网站时候已经开启；2、打开http://127.0.0.1 看是否能访问IIS的默认网页，能访问则说明IIS已经成功安装到电脑上，可能是无法解析localhost；3、开始--命令（cmd）--ping localho... 阅读全文
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Video signals are received by the telephone company's national head end, which pulls in video feeds from satellites. 阅读全文
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To receive Internet-enhanced TV, a television set requires a special set-top box that can receive and deliver the Internet-enhanced services. The set-top box has a powerful processor and a hard dis... 阅读全文
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The coaxial cablesometimes called a broadband wirethat comes into a home from a pole is divided into two connections by a splitter inside the home. One part of the wire goes to the normal set-top b... 阅读全文
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One of the major benefits of DSL is that it doesn't need any special wires. It is delivered over existing copper phone lineswhat is often referred to as POTS, or the plain old telephone system. DSL... 阅读全文
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Modems are controlled by software on your PC using a language called the Hayes command set or AT command set. When a modem is to be dialed, the first command given it is to tell it to go off hookin... 阅读全文
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Dumb terminal A terminal connected to a mainframe, minicomputer, or other kind of large computer. This type of connection often can be found in libraries or universities, although those institution... 阅读全文
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Online services such as America Online provide a very convenient way to use Internet resources. These services have their own software that makes accessing Internet resources such as Telnet and FTP... 阅读全文
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Routers are the traffic cops of the Internet. They ensure that all data gets sent to where it's supposed to go via the most efficient route. When you sit down at your computer and connect to the In... 阅读全文
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The .NET framework supports a wide range of languages meaning it is not uncommon to find code examples in a language that you are not familiar or comfortable with. This blog entry discusses some appro... 阅读全文