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This article mainly introduces what must be installed on the computer to access the Internet, which has a certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let's take a look at it.

Computers connected to the Internet must be equipped with modems or network cards. A modem or network card is a hardware device that a computer needs to install to access the Internet; a network card is a piece of computer hardware designed to allow the computer to communicate on the computer network. a modem is an electronic device that can realize the modulation and demodulation functions needed for communication.

Usually, the equipment that should be installed for a computer to connect to the Internet is a modem or network card.

A modem or network card is a hardware device that a computer needs to install to access the Internet.

A modem, an acronym for modulator and demodulator, is a computer hardware that translates a computer's digital signal into an analog signal that can be transmitted along an ordinary telephone line. These analog signals can be received by another modem at the other end of the line and translated into a language that the computer can understand. This simple process completes the communication between the two computers.

A network card is a piece of computer hardware designed to allow computers to communicate over a computer network. Because it has an MAC address, it belongs to layer 2 of the OSI model. It allows users to connect to each other via cable or wireless. Each network card has a unique 48-bit serial number called the MAC address, which is written in a ROM on the card. Every computer on the network must have a unique MAC address. No two produced network cards have the same address. This is because the Institute of Electrical and Electronic Engineers (IEEE) is responsible for assigning unique MAC addresses to network interface controller (Nic) vendors.

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