What is Mainframe computer

Laire writes a letter to her grandmother, in which she describes an amusement park she visited last week. she adds pictures of that place in her letter. which feature of a word processing program will claire to remove unwanted parts of the pictures?

The head restraint should be adjusted so that it reaches a.the top of your ears b.the base of your skull c.the top of the head

How to do this programming flowchart?