Across
- 2. to code symbols into letters
- 4. another word for receiver
- 5. A model showing the direction of light
- 6. to give off light
- 9. when light shines off one or more objects before going into the eye
Down
- 1. to code letters into symbols
- 2. when light shines off one object before reaching the eye
- 3. a lettered code turned into symbols
- 7. The way you see an object based on your distance
- 8. a message with symbols or letters