what does modem means?
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A Beginners Guide to Modems A modem is the tiny box or device that sits between your computer and your wall or cable box, depending on the type of internet connection you have. If you’re using dial-up or DSL then your modem will connect to the wall and if you’re using cable then it’ll hook up to your cable box or available coaxial cable. What your modem does is translate the data that is sent to it so that it can display on your computer. Computer information is stored digitally, however information sent over phone and cable lines are analog waves.
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MODEM • MODEM (noun). The noun MODEM has 1 sense: 1. (from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line. Familiarity information: MODEM used as a noun is very rare.
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How Does a Modem Work? How does a modem work? Quick Answer. Modems use frequency shift keying to send digital information over a telephone line. The sending modem modulates the digital data into a signal that can be deciphered by the phone line, while the receiving modem demodulates the signal and turns it into digital data.
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Modem A modem is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded to reproduce the original digital data. Modems can be used with any means of transmitting analog signals, from light-emitting diodes to radio. A common type of modem is one that turns the digital data of a computer into modulated electrical signal for transmission over telephone lines and demodulated by another modem at the receiver side to recover the digital data.
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- An ADSL modem is faster than a dial-up modem and doesn't tie up a phone line. Acoustic couplers -- which send and receive computer data through telephone lines -- preceded modern modem technology.An ADSL modem. Satellite modems convert digital data into radio waves in order to communicate with a satellite dish.n ADSL modem is faster than a dial-up modem and doesn't tie up a phone line. Acoustic couplers -- which send and receive computer data through telephone lines -- preceded modern modem technology.
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- A modem converts digital information to analog information to transmit a signal over phone lines. The process of converting this signal in this manner is modulation. They also convert analog information back to digital information to receive data.
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How Does a Modem Work? Once a terminal's modem dials up the computer's modem, the terminal's modem then becomes the originate modem and sends a 1,070-hertz tone for a 0 and a 1,270-hertz tone for a 1. The computer's modem is known as the answer modem and sends a 2,025-hertz tone for a 0 and a 2,225-hertz tone for a 1. Since the two modems send out different tones, they are able to use the lines at the same time, which is known as full-duplex operation.
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Modem Modems are generally classified by the amount of data they can send in a given unit of time, usually expressed in bits per second (symbol bit/s, sometimes abbreviated bps), or bytes per second (symbol B/s). Modems can also be classified by their symbol rate, measured in baud.
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Cable modem A cable modem is a type of network bridge and modem that provides bi-directional data communication via radio frequency channels on a hybrid fibre-coaxial (HFC) and RFoG infrastructure.he Cable-Bus System The MITRE/Washington Cablenet system is based on a technology developed at MITRE/Bedford. Similar cable-bus systems are in operation at a number of government sites, e.g. Walter Reed Army Hospital, and the NASA Johnson Space Center, but these are all standalone, local-only networks.
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Cable modem termination system Cable modem termination system. A cable modem termination system or CMTS is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide high speed data services, such as cable Internet or Voice over Internet Protocol, to cable subscribers. A CMTS provides many of the same functions provided by the DSLAM in a DSL system.
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What is a Broadband Modem? Top 10 unbelievable historical concurrencies. A broadband modem is a device that connects a computer to both the Internet and to other computers on a network.The broadband modem gets its name by sending and receiving large amounts of data over a wide band of frequencies, typically via a fiber optic cable or telephone line.This data is altered by the modem when it reaches the computer to become digital signals, and converted back to frequencies when sent out.he broadband modem gets its name by sending and receiving large amounts of data over a wide band of frequencies, typically via a fiber optic cable or telephone line. This data is altered by the modem when it reaches the computer to become digital signals, and converted back to frequencies when sent out.
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modem (mō´dem) (n.) Short for modulator-demodulator. A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves.A modem converts between these two forms. modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves. A modem converts between these two forms.
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- We’re here to help. A router and modem are two very different devices, though many ISPs offer a combined modem/router unit. A router is a device that’s connected to two networks—like your home network and the Internet—and forwards traffic between them.
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- VoIP modem. A device that combines a DOCSIS cable modem and analog telephone adapter. Officially called an embedded-multimedia terminal adapter (E-MTA), the modem provides the data interface to the cable company, and the telephone adapter provides the voice over IP (VoIP) interface for one or more analog telephones.
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PC Help Center In order for devices on the network to connect to the Internet, the router must be connected to a modem. Therefore, most routers have a specific Ethernet port that is designed to connect to the Ethernet port of a cable or DSL modem. A modem is a device that provides access to the Internet (see below).The modem connects to your ISP, which typically provides either cable or DSL Internet service.herefore, most routers have a specific Ethernet port that is designed to connect to the Ethernet port of a cable or DSL modem. A modem is a device that provides access to the Internet (see below).
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- The word  modem  stands for  mo dulator-dem odulator. A modem's purpose is to convert digital information to analog signals (modulation), and to convert analog signals back into useful digital information (demodulation).
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Broadband Modems in High-Speed Internet Networking Fotosearch / Getty Images. Definition: A broadband modem is a type of digital modem used with high-speed Internet services like DSL, cable or fiber Internet services.Cable modems connect a home computer (or network of home computers) to residential cable TV service, while DSL modems connect to residential public telephone service.able modems connect a home computer (or network of home computers) to residential cable TV service, while DSL modems connect to residential public telephone service.
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modem It does not always pay, therefore, to have a very fast modem. In addition, some telephone lines are unable to transmit data reliably at very high rates. voice/data: Many modems support a switch to change between voice and data modes. In data mode, the modem acts like a regular modem. In voice mode, the modem acts like a regular telephone. Modems that support a voice/data switch have a built-in loudspeaker and microphone for voice communication.
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PC Help Center In order for devices on the network to connect to the Internet, the router must be connected to a modem. Therefore, most routers have a specific Ethernet port that is designed to connect to the Ethernet port of a cable or DSL modem. A modem is a device that provides access to the Internet (see below).The modem connects to your ISP, which typically provides either cable or DSL Internet service. Cable modems have a coaxial (or coax) connection, which is the same type of connector found on a TV or cable box.This connects to a cable port on the wall.he modem connects to your ISP, which typically provides either cable or DSL Internet service. Cable modems have a coaxial (or coax) connection, which is the same type of connector found on a TV or cable box.
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modem (mō´dem) (n.) Short for modulator-demodulator. A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves.A modem converts between these two forms. modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines.
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What does a modem do? A modem (MOdulator DEModulator) allows one computer to connect to other systems. Modem is short for Modulator/Demodulator. A modem receives analog signals from the cable provider (in this case a cable modem) and modulates the carrier signal to encode it into a digital signal readable by your router or NIC.odem is short for Modulator/Demodulator. A modem receives analog signals from the cable provider (in this case a cable modem) and modulates the carrier signal to encode it into a digital signal readable by your router or NIC.
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- These 10 animal facts will amaze you. Modem, short for modulator-demodulator is an electronic device that converts a computer’s digital signals into specific frequencies to travel over telephone or cable television lines.At the destination, the receiving modem demodulates the frequencies back into digital data.n ADSL modem is faster than a dial-up modem and doesn't tie up a phone line. Acoustic couplers -- which send and receive computer data through telephone lines -- preceded modern modem technology.
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modem A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves. A modem converts between these two forms.
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FC74: The invention of the printing press and its effects A century later, all that had changed. Like any other invention, the printing press came along and had an impact when the right conditions existed at the right time and place. In this case, that was Europe in the mid 1400's.f one process started the chain reaction of events that led to the invention of the printing press, it was the rise of towns in Western Europe that sparked trade with the outside world all the way to China.