A(n) is software that can be used to block access to certain web sites that contain material deemed inappropriate or offensive.
trojan horse
virus
internet filter
worm

Internet filter

Explanation:

Internet filters are referred to as software which prevents individuals from accessing certain kind of websites. These filters are predominantly used in order to block content that might be considered inappropriate for some users. These filters are widely used in public library and computers used by schools and colleges.

control f

then locate the name

answerfc- file compare;