A deque is a type of list
I believe the answer is modem
Personally, i would use a 3-D printer, but you can use any material that you have, and have an example next to you for reference if you aren't going to 3-D print.
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:
Because of the newly developed biometric technology, the FBI was able to
quickly identify two suspects.
The blurry photos released by the FBI after the bombing prompted
researchers to improve their early biometric software.
Because biometric technology was unavailable at the time, the Boston
Marathon bomber remains at large.
The Boston Marathon bombing made researchers aware of how biometric
technology is sometimes useless and ineffective.
Explanation:
