With computer and internet one could for example manage its banking business online. Additionally a computer with internet could be used to read and write mails - or stay on touch with friends using social networks.
So if you want to research something for information and be social.
Everything, mostly
active switch
The routing protocol computers use to communicate over internet is as under :- TCP/IP (Transmission Control Protocol/Internet Protocol). The above protocol is used by computers to communicate over internet throughout the world.
The same way all computers are
Links, used in computers, can be clicked on to take you to a different page of the internet. It is a quick form of reference.
Laptops are used in traveling. It is hard to get internet unless you have mobile broadband.
The range of devices to connect to the internet on is increasing all the time. We used to access the internet on desktop or laptop computers.
tcp
A group of computers might form a network, but this is not necessarily the case. There is no commonly used collective noun for computers.
internet Internet
PC card
When personal computers began to connect to the Internet?
A device used to connect a computer to the internet is a modem.