How many types of Network Adapters are there?

A network card also called Ethernet card, Network Adapter, Network Interface Card, or NIC. A network card acts as the interface between a computer and the rest of devices that forms the network.

Ethernet cards are also known as network interface cards or network adapters. Ethernet cards are available in several forms:
ISA cards were the first standard for PCs, requiring users to open their computer case for installation

The primary function of a network interface card is to provide a physical link to a computer network. A network card is the physical interface between the computer and the network cable.

Network adapters can normally be enable or disabled through their software.  When a network connection suddenly stops functioning, disabling and re-enabling it can repair the problem.

Most laptops have wireless networking built-in. But if you need to install a wireless network adapter, check out the below instructions:
Insert the wireless card into the available PCMCIA slot of the laptop. There is no need to shut down the laptop.

A network adapter card is required to connect a computer to a network or Internet. Most computers have wireless networking built-in. Older computers may need to have a network adapter added to them before using them on a network. USB Network adapters can come in different models.

A PCI wireless adapter card connects to a desktop computer’s PCI bus contained inside the computer:
Turn off the computer and unplugged it.

Some old desk computers may need a network adapter added to them before be able to access a network. To install and Internal Network Adapter follow the below steps:
Ensure the computer is powered down and unplugged.

First of all if a Network Adapter has been installed and set up properly in a computer, this will have Internet access. For computers running Windows open the Windows Device Manager.

You may determine whether a computer already possesses a network adapter looking for an RJ-45 jack on the back of the computer. The RJ-45 jack appears similar to a phone line jack but is slightly larger.