It converts or modulates an analog signal from a telephone or cable wire to a digital signal that a computer can recognize. A cable modem works by connecting a coaxial cable and then a cat 5 cord from the modem to a computer or network router. Modem software for windows download modem drivers soft 32. Beginning in 1984, data transmission network was the first to deliver national news and market information into farm homes by computer modem. A modem or broadband modem is a hardware device that connects a computer or router to a broadband network. The speed at which modems transmit data is measured in bps bits per second. A router is the first line of security from intrusion into a network. Computer modem definition of computer modem by the free.
Software simple english wikipedia, the free encyclopedia. The receiving modem translates the analog signals back to digital form. Modem definition the tech terms computer dictionary. Computer modem article about computer modem by the free. Modem is defined as an abbreviation for modulatordemodulator, a device that makes it possible for computers to communicate with one another without being directly connected to each other. Software is a general term for the various kinds of program s used to operate computer s and related devices. In the past, some computer makers integrated internal dialup modems into the computer. Modem definition, an electronic device that makes possible the transmission of data to or from a computer via telephone or other communication lines. We have all wondered how it is possible to send an email from one computer to another in seconds. Computer software, also called software, is a set of instructions and its documentations that tells a computer what to do or how to perform a task. A cable modem is a hardware device that allows your computer to communicate with an internet service provider over a landline connection.
Router definition the tech terms computer dictionary. Definition of modem in the financial dictionary by free online english dictionary and encyclopedia. It converts an analog signal to a digital signal for the purpose of granting access to broadband internet. Modems accomplish both of these tasks simultaneously and, for this reason, the term modem is a combination of modulate and demodulate. In other words it takes digital information from the computerand changes modulates it to analog for communication with the wire system of the telephone lines. A modem is a network device that both modulates and demodulates analog carrier signals called sine waves for encoding and decoding digital information for processing. Computer desktop encyclopedia this definition is for personal use only all other reproduction is strictly prohibited. Most routers also keep log files about the local network activity. A device that transmits and receives data using a modulated carrier wave. A modem portmanteau of modulatordemodulator is a hardware device that converts data into a format suitable for a transmission medium so that it can be transmitted from computer to computer historically over telephone wires. At walmart, we carry a variety of computer modems, routers and cable modems so you can get the job done right. A computer is distinguished from a calculating machine. Computer modem definition of computer modem by medical.
Modem definition is a device that converts signals produced by one type of device such as a computer to a form compatible with another such as a telephone and that is used especially to transmit and receive information between computers via landlines. Modern dialup network modems transmit data at a maximum rate of 56,000 bits per second. A modem is a hardware networking device that converts data to a signal so it can be easily sent and received over a phone line, cable, or satellite connection. A software modem is a lowcost alternative to a standard hardwarebased modem. The integration of modem controller and data pump algorithms into a single rambased dsp hardware architecture. They consist of a combination of hardware and software. Software includes all different software programs on a computer, such as applications and the operating system. Modems act as a kind of interpreter between a computer and the telephone line. However, can also be used to describe what was initially considered a modem described. A device for transmitting and receiving digital data over telephone wires.
The modem is wired to the internet via the cable companys coaxial cable, the telephone companys dsl phone line, verizons fios network or a satellite modem. Modems are used for data transfer from one computer network to another computer network through telephone lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves. Software modem article about software modem by the free.
A modem modulates outgoing digital signals from a computer or other digital device to analog signals for a conventional copper twisted pair telephone line and demodulates the incoming analog signal and converts it to a digital signal for the digital device. An external dialup modem plugs into a computer at one end and a telephone line on the other end. What is router definition of router computer notes. When youre searching for new computer modems for personal or professional reasons, walmart has a huge selection of computer modems to help meet your needs.
That device has the electronics and software in it to provide both functions, acting as a modem that communicates with your isp and functioning as a router to create a home network. Conversion of one type of signals to another is called modulation, their reconversion to the original type is called demodulation. The slm5650c and slm5650c odu cyberlynx software defined modems and. In addition, the dsl modem is often combined with the router see. Modem definition modem it is a hardware component that allows a computer or another device, such as a router or switch, to connect to the internet. These integrated algorithms are stored on the computers hard disk, from which they are downloaded into the dsp boards randomaccess memory ram. Routers contain software called firmware that should be updated as released by the router manufacturer. This is a hardware device that routes data hence the name from a local area network lan to another network connection.
Information is communicated through wireless modems between a host computer and the onboard computer of the mobile. A modem is a communications device that can be either internal or external to your computer. A modem is a device which connects computers or computer systems to the internet. The modem software available at soft32 allows you to ensure that your modem is functioning correctly.
Computer modem financial definition of computer modem. Modem definition and meaning collins english dictionary. The modem is wired to the internet via the cable companys coaxial cable, the telephone companys dsl phone. Some isps offer a modem and router in a single device. A router acts like a coin sorting machine, allowing only authorized machines to connect to other computer systems. Router is a network layer layer 3 of the osi reference model device that means it can connect multiple computer networks via wired or wireless connections. While hardware modems contain all the parts necessary to connect to the internet, the software version transfers some of that work to the computers processor. Mifi is a portable broadband device that allows multiple end users and mobile devices to share a 3g or 4g mobile broadband internet connection and create an adhoc network. The other computers modem reconverts the analog signals that the computer cannot understand into digital signals that it can. The usb modem is a system that allows you to connect your laptop or pc to the internet from anywhere, without installations.
The term hardware describes the physical aspects of computers and related devices. Software modem dictionary definition software modem defined. A software modem is a modem with minimum hardware capability designed to work using a host computers resources. Applications are programs that are designed to perform a specific operation, such as a game or a word processor.
Some isps also bundle a phone interface into the same box so you can use their voip offerings. Software modems rely on the computers processor to modulate and demodulate signals. Modems send data by converting it into audio signals and receive it by converting audio signals back into digital form. Softare modems are capable of a majority of tasks performed by a traditional hardware modem, but use the host computers processor to carry out the signal processing required to modulate and demodulate data signals.
The two major components in a small computer network are a modem and wireless router. Modem, an acronym for modulatordemodulator, is a device that allows one computer to talk with another over a standard telephone line. A softmodem software modem is a modem with minimal hardware that uses software running on the host computer, and the computers resources especially the central processing unit, random access memory, and sometimes audio processing, in place of the hardware in a conventional modem. It allows one computer to connect another computer and transfer data over telephone lines. For example, a cable modem and dsl modem are two examples of these types of modems. Today, a modem is most often used to describe a broadband modem. The word modem is actually short for modulatordemodulator. A modem attached to a computercomputer, device capable of performing a series of arithmetic or logical operations. However, the inherent limitations of public telephone networks often. Another device that is very handy is a voice modem with telephone recording software.
Computers transmit digital data, expressed as electrical impulses, whereas telephones transmit voice frequencies as analog signals. It is a hardware component that allows a computer or other device, such as a router or switch, to connect to the internet. From cambridge english corpus in our example, supportedprotocol is defined at the entity type modem. We marvel at how our computer lets us video chat from our bedroom with a friend. Computer software is programming code executed on a computer processor.
187 859 57 127 355 739 1510 149 1124 567 1134 7 75 1032 1323 1016 1068 264 669 763 934 1398 333 807 793 492 31 1327 916 482 138 1154 1144 1103 1425 1070 1149 1039 272 1278 370 830 739 615