Across
- 1. a small handheld device which is moved across a mat or flat surface to move the cursor on a computer screen.
- 4. Camera a camera which produces digital images that can be stored in a computer and displayed on screen.
- 7. a person or thing that directs or regulates something.
- 10. 1.a device that is used to project rays of light, especially an apparatus with a system of lenses for projecting slides or film on to a screen.
- 11. a collection of instructions placed together in groups called programs
- 14. a machine for printing text or pictures, especially one linked to a computer
Down
- 2. a machine that copies paper documents to electronic formats which a computer can display
- 3. In computing they can be used with voice recognition software and a word processing application to enter text
- 5. a lever that can be moved in several directions to control the movement of an image on a computer or similar display screen.
- 6. a television receiver used in a studio to select or verify the picture being broadcast from a particular camera.
- 8. Cam a video camera connected to a computer, allowing its images to be seen by Internet users
- 9. ball Mouse Used as an alternative to a mouse. To operate it the user rotates the ball which moves the pointer on screen
- 12. Screen a display device which allows the user to interact with a computer by touching areas on the screen.
- 13. projector the machine reproduces the image from the screen of a computer onto a large area