Crossword

4. device that connects two or more packet-switched network
8. to offer audio output for the listener.
10. sound that is within the acoustic range of human hearing
11. small digital video camera directly or indirectly connected to a computer
13. a device that translates sound vibrations in the air into electronic signals
14. small, movable device that lets you control a range of things on a computer
15. an optical device that projects an image onto a surface, commonly a projection screen
16. a jack or socket that peripheral hardware plugs in
17. thick wire, or a group of wires
18. a device that captures images from photographic prints
19. software component that lets the operating system and a device communicate with each other

1. is a printer that interprets commands from a computer to make line drawings on paper with one or more automated pens
2. an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.
3. piece of metal that sits on top of a computer
5. input device to enter numbers
6. main circuit board of computer
7. a plate placed at or forming the back of something.
9. machine connected to computer to make copies
12. the process of taking in information from the world around us,
17. case or covering