Que es un requerimiento en sistemas

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?

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.

Convert 11001110(acdd notation) into decimal