Across
- 2. Device which digitises photos or other illustrations
- 5. Powerful supercomputers which carry out highly complex calculations
- 7. A copy of information held on computer, stored separately from the computer
- 10. Microchip found inside pocket calculators, car engines
- 12. To connect a computer to a computer system so that you can start working
- 13. It enables communication between computers over telephone lines by converting digital data into telephone signals and vice versa
- 14. All the pieces of equipment which you can see and touch
- 19. It includes the letters of the alphabet, function keys and keys to control the movement of the cursor on the screen
- 20. To arrange a computer so that it works with other equipment
- 21. Flat screen panel with a display based on liquid crystal technology
- 22. It converts sound waves into electronic signals which can be read by the computer
- 24. It enables the user to activate the computer by using a finger to touch symbols or words on the screen
- 26. Device which transforms digital signals into sound waves which can be heard by the user
Down
- 1. To make a device or program better and able to do more things
- 3. A Standardised system for connecting electronic devices using a socket
- 4. It functions as the computer’s memory
- 6. using this device you can direct the movement of the cursor on the screen, select icons and click on a button
- 8. Precise series of instructions
- 9. All the programs which tell the hardware what to do
- 11. It is the computer’s central circuit board
- 15. It indicates how fast the computer can work
- 16. A piece of software which allows a peripheral device to work with a computer
- 17. Device which produces output on paper
- 18. Light and easy to carry
- 23. unit of frequency equal to one cycle per second
- 25. Microprocessor which functions as the computer’s brain