Tech and Communication

1.Severe and strict in manner or attitude

3.Sealed chamber between two environments

4.Collection of organized digital information

6.Device that translates coded information

8.Mechanical and automated in movement

10.Device for wireless sound transmission

11.Device that sends out signals

2.Signal sent from ground to satellite

5.Set of instructions for a computer

7.Able to move freely or easily

9.Secret code or puzzle to solve