Answer:
<em>The right order of steps you should take to repare the laptop is: D A C B</em>
<em>Explanation:</em>
<em>D. Ask yourself if the laptop is still under warranty: Because they will replace the board for you or give you a new machine.</em>
<em>A. Ask yourself if replacing the motherboard will cost more than purchasing a new laptop: since technology evolve every day, you might consider buying a new faster, better, advanced machine.</em>
<em>C. Find the service manual to show you how to replace the motherboard: the support assistence will guide you trhough the right way of replacing the board.</em>
<em>B. Find a replacement motherboard: choose the specific one or maybe try to find a better model, that can improve your computer performance.</em>
Restore is a procedure to copy one or more files from backup media to the original disk or a replacement disk when data or programs have been erased or destroyed.
The answer is 2-to-the-power-of-n, since for every input, the number of different combinations doubles. From your list I think answer A is meant to indicate 2ⁿ.
The answer is computer. A computer is made up of microchips (CPU and GPU), an operation system (macOS or Windows), input methods (keyboard and mouse), and other parts.