modem
Học thuậtThân thiện
Definition
Noun: 1. A device that converts digital data from a computer into a form suitable for transmission over a telephone line or other communication channel, and vice versa. It enables computers to communicate with each other over networks.
Usage
The word "modem" is a countable noun. It refers to the specific piece of hardware that facilitates data transmission. * You connect a modem to your computer and a telephone line or cable outlet. * A modem is essential for accessing the internet via certain types of connections.
Examples
- The old dial-up modem made a distinctive screeching sound when connecting.
- My internet service provider sent me a new cable modem.
- Please check if the modem is powered on and all cables are secure.
Advanced Usage
- Modem technology: Refers to the technical standards and methods used in modems (e.g., DSL modem, cable modem).
- Modem speed: The rate at which a modem can transmit and receive data, typically measured in bits per second (bps) or megabits per second (Mbps).
Variants and Related Words
- Modulate (verb): To vary a property of a wave signal. This is the "MO" part of the word's origin.
- Demodulate (verb): To extract the original information-bearing signal from a modulated carrier wave. This is the "DEM" part of the word's origin.
- Router (noun): A different networking device that directs data traffic between different networks. A router is often combined with a modem in a single unit.
Synonyms
- Communications device
- Data transmission unit
Related Phrases
- Dial-up modem: An older type of modem that uses the standard telephone network.
- Broadband modem: A general term for modems used for high-speed internet access (e.g., DSL modem, cable modem).
- Modem pool: A collection of modems shared by multiple users in a network.
Noun
- (from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line