What is modem?
A modem is a device or program that enables a computer to transmit data for example, a telephone or a cable line. It is a type of hardware device that converts between analog and digital data for real-time two-way network communication. It connects a computer or router to a broadband network.
What is the modem speed?
The speed of a modem is measured in bps and kbps.
Types of computer modems
Onboard Modem:
Onboard Modem is a modem built on the motherboard, this modem cannot be removed, but can be disabled via a jumper or CMOS setup.
Internal Modem:
The modem that connects to an old computer on a new desktop computer or the PCI slot inside the ISA slot The internal modem shown at the beginning of this document is an example of a PCI modem.
External Modem:
Modem within a box that connects to a computer externally, usually a serial port or USB port. The illustration is an example of an external USRobotics modem.
Removable Modem:
The modem is used with older laptop PCMCIA slots and can be added or removed as needed.
Why is a modem an input and output device?
A modem is considered an input and output device because it sends data (upload / output) and receives data (download / input).
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