From Longman Dictionary of Contemporary Englishnewbienew‧bie /ˈnjuːbi $ ˈnuː/ noun [countable] informal someone who has just started doing something, especially using the Internet or computers
Examples from the Corpus
newbie• Obviously I am-as the Linux jargon goes-a newbie, but I will now subscribe to your magazine.• The program is simple to use, even for newbies.Origin newbie (1900-2000) new 