Run a compatibility check on your computer to check it or ask a tech professional what os they think would be compatible
I believe the answer you're looking for is motherboard
Look. You need to stop your watch at 00:00. And then you'll see that its least count is 0.01 second and then you should add your clocks' response time to make results more accurate.
Answer:
Ctrl + D used to duplicate a slide
To present something infront of a crowd