A digital era
Computers have changed the way we do everyday things, such as working, shopping, looking for information. We houses with the help of PCs; we buy books and make flight reservations on the ; we use gadgets that spring to life the instant they are switches on, for example the mobile phone, the music player, or the car ignition, all of which use . Many people now work at home, and they communicate with their office by computer and telephone. This is called 'teleworking'. With the appropriate hardware and software, a PC can do almost everything you ask. It’s a magical typewriter that allows you to type and any sort of document. It’s a calculating machine that makes calculations. It’s a filing cabinet that manages large collections of data. It’s a personal communicator that lets you interact with friends, it’s a small lab that helps you edit photos and movies. And if you like entertainment, you can also use it to relax with games.