Closed Shell System come si usa? Informatica.

Which one of the following is the most accurate definition of technology? a electronic tools that improve functionality b electronic tools that provide entertainment or practical value c any type of tool that serves a practical function d any type of tool that enhances communication

Anetwork security application that prevents access between a private and trusted network and other untrusted networks

Which boolean operator enables you to exclude a search term? a} not b} and c} or d} plus