Across
- 1. The pghysical components of a computer system.
- 3. Coontrols the operation of hardware items.
- 4. Storing digital data on a physical storage device.
- 5. Computers produce sound signals by a speaker, headphone or earphone.
- 7. Giving the computer instructions.
- 8. General term for a collection of instructions.
- 15. This is a less expensive software, that is not made from scratch.
- 17. Also know as a point-of-sale scanner.
- 18. Software companies offer groups of application.
- 19. Controls the operations of the computer system itself.
- 20. This detects the position of pencil marks.
- 21. Controls the overall function of the computer system.
Down
- 2. Enables tghe coimputer to perform useful functions.
- 6. Recognizes a person's physical characteristics.
- 9. This produce printed output.
- 10. Storing digital data in an online space.
- 11. Also known as a visual display unit.
- 12. Can be rolled on a flat surface and sends signal to the computer.
- 13. A portable personal computer with a touchscreen interface.
- 14. This scans information thart is encoded to check for authenticity.
- 16. This scans images of text into a machine encoded text.