Across 1. A computer graphics. It enables 3D drawings to be made. Computer Aided Design. 3. An original model on which something else may be patterned. It is an example. 7. To identify and remove errors from computer hardware or software. 9. The use of mostly automatic equipment in a system of manufacturing. 11. This word was first used in a play by a Czech writer in 1920. The word means "forced labor." 12. A period of time in which a robot or production line is shut down due to failure. 13. A collection of records arranged in a way that makes it possible to search them. 15. A rigid external covering for the body. It provides support and protection. 18. The study of the mechanical laws relating to the movement of living organisms. 20. An electronic document in which data is arranged in rows and columns. It includes numbers and words. 21. The speed of an object traveling in a given direction.

Down 2. The branch of computer science that deals with writing computer programs that can solve problems creatively. 4. A small electric motor that lets a robot move something like a wheel, a camera, or an arm. 5. In science fiction, a robot with a human appearance. 6. Acting independently or having the freedom to do so. 8. A part of a computer system designed to block incoming unauthorized access. 10. Uses only two legs for walking. Applies to humans, animals and robots. 14. To be well informed about or skillful in the use of technology. 16. This enables a robot to modify its behavior by recieving info about its physical environment. 17. A device that produces a beam of light which is extremely narrow and focused. 19. A person who uses computers to gain unauthorized access to data.