Tim Burners-Lee is an English computer scientist, best known as the inventor of the world wide web. He was born on June the 8th 1955 he is 59 years old.
4 generations of computers
input and output devices
an input is when it takes in information and images like a camera or a computer. A digital camera is an input because you connect it up and images come off it, a interactive whiteboard because it sends information about what is tapped or selected on a screen a keyboard it one as well because it sends information about the keys you press.