Answered

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What type of expansion card allows your computer to communicate over telephone lines?

A. Modem
B. PCIe
C. PSU
D. NIC

Sagot :

GinnyAnsweridn

Final answer:

A modem allows computers to communicate over telephone lines by converting digital data into analog signals for transmission, crucial for internet connectivity.


Explanation:

An expansion card that allows a computer to communicate over telephone lines is a Modem (Modulator-Demodulator).

Modems convert digital data from a computer into analog signals for transmission over telephone lines and vice versa. For example, a student used an S15C data terminal, connected to a computer center via a Bell System DATA Phone, which utilized a modem for communication.

Having a Modem is crucial for internet connectivity, especially in the past when dial-up connections were prevalent and essential for network communication.


Learn more about Modem communication over telephone lines here:

https://brainly.com/question/43611382


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