Quiz 1 / 4 Which symbol is commonly used in email addresses? # @ & 2 / 4 Which file extension is used for Microsoft Word documents? .jpg .docx ppt 3 / 4 Which of the following is a search engine? Windows Google Linux 4 / 4 Which key is used to refresh a webpage? F2 F3 F6 Your score isThe average score is 42% 0% Restart quiz