Fast review mode: answers are shown by default so you can skim quickly. Hide them if you want to self-test.
'The World Wide Web (www) was invented by Sir Tim Berners-Lee in 1989 and it has changed the way we live our lives. Did you know that more than two billion people use the internet? A computer network describes a group of computers that are joined together and the internet is just one giant computer network. All of the computers with an internet connection are linked and can share information with one another.
Join 4M+ learners. Unlock unlimited quizzes, wrong-answer tracking, flashcards + reminders, study guides, and 1-on-1 challenges.