Across
- 4. e.g. keyboard, mouse, scanner, printer, monitor, microphone, speaker, joystick
- 5. their position is at the top of a keyboard, they can be programmed to execute specific jobs
- 7. used for reading labels on products in shops
- 8. a combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a phone line
- 9. keeps data and programs in memory systems where they are available for processing
Down
- 1. this is a action you can perform on a mouse - displays a list of commands
- 2. one of parameters that determines the number of pixels on a screen also used as one of the measurements for scanners and printers
- 3. an input device, consists of a flat pressure-sensitive surface, often comes with a stylus
- 6. performs basic logic, arithmetic, controlling, and input/output operations specified by the instructions in the program
- 8. an instrument for converting sound waves into electrical energy