In the cell reference A1, the number 1 indicates the row heading

Your ________ is all the information that someone could find out about you by searching the web, including social networking sites

a.avatar b.digital footprint c.profile d.screen name

To permanently delete a file from the hard disk drive without first moving it to the Recycle Bin, hold down ________ and then press Delete

A) Shift B) Ctrl C) Tab D) Alt