To delete data from a disk in such a way that no one can ever read it, you can use special file ________ software that overwrites supposedly empty sectors with random 1s and 0s.

When you enter a structured reference in a formula Excel copies that formula down the rest of the column automatically

Indicate whether the statement is true or false

Annotation Tools include all of the following EXCEPT ________

A) Highlighter B) Pen C) Mark-up Tool D) Eraser