Question

Choose the main purpose for the piece of writing described.

a computer user's manual
to entertain
to inform or explain
to persuade

Answer 1

manuals are for explaining or giving instructions so that is informing, 3rd answer to inform or explain:) lmk if u need more help

Answer 2

to inform or explain

Step-by-step explanation:

A computer's manual tells give you instructions on what to do. Which explains and informs you on how to work the computer.