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In cable transmission a high frequency carrier signal is modulated by data. Cable networking involves distributing the data collected at a central location to users by means of a network of connecting cables such as optical fibers or coaxial cables and broadband amplifiers including a cable modem.
Many people who have cable TV can now get a high-speed connection to the Internet from their cable provider. Cable modems compete with technologies like Asymmetrical Digital Subscriber Lines (ADSL). A cable modem is a device at the subscriber end of a cable that allows a computer to be connected to the Internet through an existing cable network connection. Unlike a dial-up connection, it does not require a phone line .
Accessing the Internet using a cable network is becoming popular due to greater speed it offers than through telephone-modem access. Using cable technology data speeds up to 4Mbps are possible.
