The device that connects computer or router to broadband network is called _______.
Modem
Understanding Devices Connecting to Broadband Networks
The question asks about the specific device used to connect a computer or a router to a broadband network. Let's examine the options provided.
Analyzing the Options
- Modem: A modem (short for modulator-demodulator) is a crucial networking hardware device that converts digital signals from a computer into analog signals suitable for transmission over conventional telephone lines or cable lines (modulation), and vice versa (demodulation). This process allows computers and routers to send and receive data over a broadband connection provided by an Internet Service Provider (ISP). It acts as the bridge between your local network (or computer) and the wider broadband network.
- Firewall: A firewall is a network security device or software program that monitors and filters incoming and outgoing network traffic based on a set of predetermined security rules. Its primary function is to protect a network from unauthorized access or attacks. While essential for network security, a firewall does not connect the network to the broadband service itself.
- Memory card: A memory card is a small electronic flash memory data storage device used for storing digital information, commonly found in digital cameras, mobile phones, computers, and other electronic devices. It is used for data storage, not for establishing a network connection to a broadband service.
- Jump drive: A jump drive, also known as a USB flash drive or thumb drive, is a portable data storage device that uses flash memory and has an integrated USB interface. Like a memory card, its function is data storage and transfer, not network connectivity to a broadband network.
Identifying the Correct Device
Based on the functions described, the device responsible for converting signals to enable connection between a computer or router and a broadband network is the modem.
It's the modem that interfaces with the broadband line (like cable or DSL) and provides a connection point for your router or computer, enabling internet access.
Conclusion
The device that connects a computer or router to a broadband network by converting digital signals for transmission is the modem.
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