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How many normal modes of oscillation or natural frequencies does a simple pendulum have? How many channels are assigned to citizen band frequencies? How many frequencies in a pedoff probe? Can you connect a wireless router to a wireless DSL modem? Is it possible to use a single modem for both wired and wireless connections? Where can one buy a Motorola sb cable modem online cheap? Study Guides. Trending Questions.
Still have questions? Find more answers. Previously Viewed. Unanswered Questions. New administrative set up like municipalities railway post office in Mumbai? What do you get when you cross a washing machine and a wild animal? Why does the income statement provide an incomplete picture of a business? Bakit Sinulat ni rizal ang tulang hinilinga nila ako ng berso? Get the Answers App. All Rights Reserved. For example, for domestic broadcast use, 64 and QAM are used for cable modem and digital cable TV.
The modulation scheme for this modem uses both amplitude and phase. If your question is not fully disclosed, then try using the search on the site and find other answers on the subject Computers and Technology. What is cyber bullying??? Select the single best answer. More questions: Computers and Technology Another questions. Questions on the website: See results 0 The answer is not found?
Log in Forgot your password? Join now Forgot your password? You are registered. Access to your account will be opened after verification and publication of the question. Ok Close. Add photo Send. Question sent to expert. The more the users are the more bandwidth they needed. Cable industry has tackled this problem by splitting long cables and connecting each one directly to the fiber node.
The bandwidth from the head end to each fiber node is infinite, so as long as there are not too many users the situation is under control. But as the traffic will increase the more splitting and fiber nodes will be required. It is not practically possible to strictly use the cable network only for the purpose of providing internet connection. So there has to be a way of providing internet and cable TV through same cable. Each channel is 6 MHz wide.
Some of the modern cable operates above MHz, often to MHz which is used as downstream data. The upstream channels are introduced in the MHz band and frequencies at the high end for downstream. A cable modem is a device that enables you to hook up your PC to a local cable TV line and receive data at about 1. This data rate far exceeds that of the prevalent A cable modem can be added to or integrated with a set-top box that provides your TV set with channels for Internet access.
In most cases, cable modems are furnished as part of the cable access service and are not purchased directly and installed by the subscriber. A cable modem has two connections: one to the cable wall outlet and the other to a PC or to a set-top box for a TV set.
Although a cable modem does modulation between analog and digital signals, it is a much more complex device than a telephone modem.
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