USB
hot plugging
allows a single computer to connect to a LAN allows a single computer to connect to a LAN
A modem allows your computer to connect to a phone line.
HOTSWAPPING
hot-swappable
The role of a PCI card in computer science is that it is what allows satellite TV to be seen on your computer. Without it the satellite TV signal wouldn't connect.
A Network Interface Card (NIC) is needed to connect a computer to a network. It allows a computer to communicate with other devices on the network by sending and receiving data packets. Without a NIC, a computer cannot access network resources or connect to the internet.
USB
Hot-swapping also called hot-plugging. With hot-swapping you can connect or disconnect a drive while the system is running.
If you are referring to a modem, the it is a device that allows your computer to connect to the internet.
When it is installed with the correct software, it allows a computer to connect to a network.
they are things you attach to your computer which allows it to connect to a network