Across
- 3. Silicon material used for the manufacturing of computer chips
- 5. Someone who has bought a house
- 7. Something that has a use
- 8. the base of a tree
- 9. Money that was not spent.
Down
- 1. Software and …
- 2. What is left behind in a chemical reaction
- 4. The toy car is ….controlled
- 5. Accesing a network illegally
- 6. An chain of multiple computers