A computer is a machine that can be programmed to perform many tasks an process data, they can be used for productivity, browsing the web, playing games and so many more things. Computers can do just about anything at this stage and are an active part of many peoples daily lives and integrated into how the world works. A computer can be a cinema, a shop, a notepad, an encyclopaedia, a photo album, a communication tool, and the list goes on.