Answer:
Computer programming is important today because so much of our world is automated. Humans need to be able to control the interaction between people and machines. Since computers and machines are able to do things so efficiently and accurately, we use computer programming to harness that computing power.
I believe to reboot is to reset. Its the act of resetting, or starting up a computer again.
The __Show/Hide Insert___ feature will allow users to view non printing formatting marks to aid in editing a document.
The answer is D. Show/Hide Insert
Let me know if this is correct