Using a preset value for the variable tested in a loop condition is a process called ____ the loop.

What is the first step a technician should take when replacing a mobile device touchscreen?

A) Refer to the manufacturer's documentation. B) Attach a grounding strap to the power supply. C) Remove the battery. D) Isolate the ground on the motherboard.

Modern-day PC screens have an aspect ratio of 4:3.

Answer the following statement true (T) or false (F)