COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK TOPOLOGIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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telephone line
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ethernet cable
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optic fiber cable
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None of the above
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Detailed explanation-1: -Short for modulator/demodulator, a modem is a hardware device that allows a computer to send and receive information over telephone lines. When sending a signal, the device converts ("modulates") digital data to an analog audio signal, and transmits it over a telephone line.
Detailed explanation-2: -A router is a hardware device that allows you to connect several computers and other devices to a single Internet connection, which is known as a home network.
Detailed explanation-3: -A modem is a device that connects your home to your Internet service provider (ISP) and translates the digital signals from your ISP so your computer can understand them. Most modems have two connection ports: one that connects you to your ISP and one that connects to your computer/laptop or your router.
Detailed explanation-4: -modem, (from “modulator/demodulator”), any of a class of electronic devices that convert digital data signals into modulated analog signals suitable for transmission over analog telecommunications circuits.