Computer Quiz - Information Technology Questions

Following are the multiple choice questions about the interesting facts about computer and information technology  1) Which country created the most used networking software in 1980's ?SunIBMNovellMicrosoftShow/Hide AnswerAnswer =C2) In what year was the @ chosen for its use in email address ?1972197619801984Show/Hide AnswerAnswer =A3) Which American computer company is called Big Blue ?IBMCompaq