Network
Network is a set of computers and servers connected to each one using some wire or wireless connection. Computer networks are everywhere. You cannot imagine modern office without number of computers and local area network. Internet is a must have network in 21 century.
Network devices become smarter, even you granny is able to deploy home network in few minutes. All that she need (cables, modem, router) is available in any computer store and become cheaper and cheaper.
Network and Remote Desktop Control
When computer network is deployed, you will be able to work on any computer remotely, without living you chair. There is a class of software called remote access, Remote Desktop Control is one of the best solution in this network category.
Using Remote Desktop Control you will see the screen of another computer and your mouse will move the cursor on remote PC as if you will be near the remote computer and move connected mouse.