olemus
liik ohuallikaid
= a source of threat
https://s3.amazonaws.com/lowres.cartoonstock.com/computers-computer_problem-key-keyboard-technical_support-helplines-pknn132_low.jpg
https://s3.amazonaws.com/lowres.cartoonstock.com/education-teaching-computer-computer_password-password-computer_illiterate-computer_ignorance-aba0920_low.jpg

ülevaateid
https://en.wikiversity.org/wiki/Computer_Skills
https://en.wikipedia.org/wiki/Computer_literacy