True or false- a firewall is a security system that essentially creates a barrier between a computer or network and the internet in order to protect against unauthorized access.

The can be used to paste text in any order

Design a pos circuit that displays the letters a through j on a seven-segment indicator. the circuit has four inputs w, x, y, and z which represent the last 4 bits of the uppercase ascii code for the letter to be displayed. thus, if wxyz = 0001 then "a" will be displayed. (any answer with 22 or fewer gates and inverters, not counting any for the inputs, is acceptable)

What is a scenario where records stored in a computer frequently need to be checked