A modem can refer to any of the following:
Modem or broadband modem is a hardware device that connects the computer or router to the broadband network. For example, cable Modem or DSL modem are two types of modems.
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| Wireless Modem |
A modem for modulator / demodulator is a hardware device that allows the computer to send and receive information on the telephone lines. When sending the signal, the device converts digital data ("module") into an analog audio signal, and transmits it on the telephone line. Similarly, when an analog signal is received, the modem converts it into a digital signal ("demodulates").
Types of computer modems
- The following are the four versions of computer modem found in computer?
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| Onboard Modem |
1- Onboard Modem - Modem can not be removed in the modem built on the computer motherboard, but can be disabled through jumper or CMOS setup.
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| Internal Modem |
2- Internal modem - A modem connecting PCI slot inside new desktop computer or ISA slot to older computer An internal modem shown at the beginning of this document is an example of a PCI modem.
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| External Modem |
3- External modem - A modem inside a box that connects externally to a computer, usually a serial port or a USB port. The picture is an example of external US robotics modem.
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| Removable Modem |
4- Removable modem - old laptop used with PCMCIA slot modem and can be added or removed as needed.
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