Explanation:
It's placed near the door. When a visitor presses the button, the bell rings inside alerting you that someone is at the door.
Answer:
C
Explanation:
I believe this is because you cannot represent the number sixteen with only four binary bits. The highest you can go is 15.
Answer:
To an official government website containing information relating to tours and events of the White House.
Explanation:
Hope this helps! :D
