A(n) ____________________ is a condition in which the Internet ping program is used to send a flood of packets to a server to make the server inoperable.?

A keyboard and mouse are examples of ________ devices

A) storage B) processing C) input D) output

A _______ can be used to facilitate adding nodes to the end of a linear linked list.

a) head record b) dummy head node c) tail reference d) precede reference