On a printed circuit board, electronic parts will be mounted from the substrate side of the board. The leads jab through the substrate and the copper sheeting that has been carved. The leads are then soldered to the copper.
I hope the answer will help you.
computers i think i dont sounds right to me
A management information system is a computer system consisting of hardware and software that serves as the backbone of an organization's operations
Just be honest with your teacher. And say, "I'd rather work on my laptop, cause i feel uncomfortable on one of these computers." And you could say.. " I can save my work on here, so i dont lose anything if that computer messes up."
