Across
- 4. Physical components of a computer system, internal or external
- 7. Non-volatile memory that cannot be changed in normal use
- 9. Portable computer with monitor, keyboard and battery in one device; hard to repair and upgrade
- 10. Unit for measuring CPU clock speed, a billion cycles per second
- 11. Display that is also an input device, used on tablets and ticket machines
- 14. Startup instructions held in ROM so the OS can load when you press the power button
- 15. Actuator that raises temperature in an oven or a greenhouse
- 16. Application software that organises numeric data and uses formulas like CountIf and Lookups
Down
- 1. Application software that stores data using fields and records and answers queries
- 2. Touch screen computer with longer battery life than a phone but limited memory compared to laptops
- 3. Type of image made of pixels that can be changed one by one, unlike vector graphics
- 5. Main output device that shows the computer's display
- 6. Pocket computer with an OS, touch screen, sensors and cameras that also makes calls
- 8. Reads characters in magnetic ink at the bottom of bank cheques
- 12. Bulky older display type that works with light pens
- 13. Old storage disk holding only 1.4 MB
