On the telephone side, they are usually connected via a telephone cable to a wall telephone walljack. On the computer side they usually connected via a serial cable to the computer's serial port. Serial ports can have either 9 pin or 25 pin connectors, and so are often confused with parallel ports, which also can have 25 pin connectors.
Moderm modems (Dial-up, Cable, ADSL) are connected directly to the Ethernet port of the computer.
In the past external modems connected to the COM (or serial) port. However, most modern external hardware is USB these days, modems are no exception.
Non-dialup modems came out at the end of the twentieth century, and became more and more popular since then. The new modems give quicker and quicker speed all of the time, and are much more efficient than the dialup modems.
Raw baseband data cannot usually be effectively transmitted over dialup phone lines or TV cable lines.
In the past external modems connected to the COM (or serial) port. However, most modern external hardware is USB these days, modems are no exception.
Modems come in two varieties :Internal modems are the modems that are fixed within the computer.External modems are the modems that are connected externally to a computer as other peripherals are connected.
Such modems can be purchased at a number of retail locations and online stores. Walmart, Staples, Office Depot, and Amazon, for example, each sell this item.
Yes and no. They are often connected to network controller cards. However, many do connect to USB sockets too. Most cable modems have cables for both types of sockets.
Usually wireless adapters can be connected to computers not to modems.
COM
Very few modern computers have modems, due to the falling popularity of dialup modems. DSL and Cable modems are extremely rare as internal devices due to limited useability and the inability to network more than one computer or device to such a computer with ease. If it has a dialup modem, there will be a port for a phone cord in it.
yes