A modem (Modulator-Demodulator) is a networking device that enables a computer to communicate over a network by converting digital signals into analog signals and vice versa. In traditional internet connections, a modem is connected to a telephone line, making Option... Read More
A modem (Modulator-Demodulator) is a networking device that enables a computer to communicate over a network by converting digital signals into analog signals and vice versa. In traditional internet connections, a modem is connected to a telephone line, making Option A the correct answer.
The primary function of a modem is to transmit data between a computer and an Internet Service Provider (ISP). When data is sent from a computer, the modem converts digital signals into analog signals so they can travel through the telephone line. When data is received, the modem converts the analog signals back into digital form so that the computer can understand and process them.
Although modern broadband technologies such as DSL, cable, fiber-optic, and wireless internet use different types of modems, traditional computer networking MCQs commonly refer to a modem being connected to a telephone line.
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