Across
- 1. a small computer that can be carried and used in many locations
- 6. the difference in level between black and white on a computer screen
- 10. when mouse is ..... it transmits information to a computer without using a cord or wire
- 13. a measure or description of how fast a computer can complete instrucyions
- 15. a panel of keys for entering data into a computer
- 16. is the ratio of its long side to its short side
- 17. ... keyboard uses the standard layout for English-language keyboards
- 18. the part of a mouse that is pushed to select items on the computer screen
- 19. ...key gives another key an alternative function when both keys are pressed at the same time
- 20. ... mouse uses laser light to track hand movements
- 21. .... computer is a computer for use in a single location such as at home or at an office
- 23. ... mouse uses light emitting diodes to track hand movements
- 25. the sharpness or definition of a display, measured in pixels
- 27. ... keyboard is a small keypad, located on the right-hand side of a standard keyboard, that features digits -9
- 28. an image on a monitor screen
Down
- 2. a machine that prints digital images and text on paper
- 3. ...key gives another key an alternative function when both keys are pressed at the same time
- 4. an electronic instrument for storing and operating on data
- 5. a mechanical mouse, uses a rubber ball to track hand movement
- 7. a device on a mouse that allows the user to scroll
- 8. device used to track hand movements and make selestions on a computer screen
- 9. the time it takes for a pixel to go from white to black and back again
- 11. ... key is a key which is given a particular function by a piece of software
- 12. an electronic device that is used to display computer signals
- 14. key on a keyboard that is used for typing all capital letters when is pressed
- 21. ...mark is a symbol that added to a letter to denote a special pronunciation
- 22. the surface part of a monitor that displays a computer's output
- 24. if a computer is ..., a person can carry or move it
- 26. Liquid Crystal Display
