Across
- 4. A pair of earphones joined by a band placed over the head, for listening to audio signals such as music or speech.
- 8. An output device that allows users to see the output from the computer on an electronic display.
- 11. Only readable when the correct PIN is entered in to the reader
- 13. An output device which is used for printing plans, maps, line diagrams and three-dimensional drawings
- 14. a user interface controlled by entering text instructions
- 16. A device that converts an electrical audio signal into a corresponding sound.
- 17. Type of barcode
- 18. Senses finger movements, touches & presses
- 23. Type of touch screen
- 26. A bar code reader is an example of what type of a device?
- 27. this interface is controlled by the user by swiping their fingers on the screen or across the screen.
Down
- 1. A scanner that requires a microphone.
- 2. Dot-matrix, Inkjet and Laser are all types of which computer peripherals?
- 3. the memory in the computer system which is used for running software.
- 5. A type of security to prevent unauthorized access to data.
- 6. A computer security system
- 7. Another name for dot matrix printers.
- 9. a user interface controlled by a pointer on the screen
- 10. used to make a device inactive so that it requires a password or PIN to reactive it
- 11. An output machine which makes a representation of graphics or text, usually on paper.
- 12. a device’s ability to connect to networks and other devices.
- 15. Specialized cameras
- 19. An optical device that projects an image onto a surface.
- 20. What is a device that converts computer output into a form that can be transmitted over a telephone line?
- 21. Used to select displayed objects
- 22. one or more Central Processing Units that carry out software instructions
- 24. this interface is controlled by the user giving spoken commands to the device.
- 25. A type of printer that contains a rotating cylinder that holds an electrical charge.