Every page, image and video on the internet comes to your home computer or mobile device as small pieces of data, or packets. How fast these packets move on the network is measured in Megabits per second, abbreviated Mbps. Broadband technology can move those packets to and from your home much more quickly than older technologies such as dial-up used to access a modem using a telephone line. A broadband connection has two speeds: download and upload. Download speed is the speed of getting information from the internet to your computer, and upload speed is the reverse.
Here are some useful general resources: