Computer network- what is a modem and explain wireless technology?

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A modem is a device that connects a computer to the internet through a telephone or cable line. Wireless technology enables devices to connect to a network without the need for physical cables.

A modem is a hardware device that modulates and demodulates signals to transmit data over a communication channel.
It allows computers to connect to the internet by converting digital data into analog signals that can be transmitted over telephone or cable lines.
Wireless technology uses radio waves to transmit data between devices without the need for physical cables.
Examples of wireless technology include Wi-Fi, Bluetooth, and cellular networks.

Computer network- what is a modem and explain wireless technology?

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