you should only close the lid if you shut it down you are just going to make it harder for you
One would close the blinds when using a computer if the glare from the outside made it difficult to see the computer screen. One also might close the blinds while using a computer if the user wanted some additional privacy.
use save as to save file under a different name
You should use the proper way of sitting when using computer.
You should be finished by the time I get there.
By closing a file, any unsaved data that is held in the buffer is saved to its file. Also, when a program closes files that are no longer being used, the files will not take up more of the operating system's resources than necessary.
Using CCleaner will really improve your computer speed.
a job
One should be using the Server in order to delete one computer in a network.
Be smarter than the microphone. You click on the microphone button at the top left corner and it should be on. But it depends if you are using a laptop or desktop computer. If you are using a desktop computer there is no microphone. But if using a laptop, click on the microphone button on the top left corner. Then the microphone should turn on.
When using a camera, you should be able to focus as close as the minimum focusing distance specified by the lens. This distance can vary depending on the lens and camera setup.
A fire extinguisher.
So that unauthorised people cannot use it.