Peripherials

4. A mobile phone with a powerful processor that is capable of running applications and accessing the internet.
7. A piece of hardware that connects to a computer, eg a mouse, keyboard, printer or scanner.
8. tools that allow internet pages and other documents to be read aloud. It is also possible to get hardware displays that will give a Braille output.
9. One of the input sources that used to control the points on the screen
10. Wireless technology used for transmitting data over short distances.
12. enable users to control the computer by blinking
13. One of the output sources that used to print out the photograph, or etc
15. one of the input sources that we can type

1. such as a foot-controlled mouse and a tube into which the user either blows or sucks to operate the computer.
2. printer, speaker etc
3. mouse, keyboard, trackball etc
5. barcodes are scanned by a reader and the numbers in the code correspond to records in a database. They are used to identify goods and products.
6. connects peripheral devices to a computer, eg a camera, memory stick, keyboard, mouse or mobile.
11. used to record sounds and communicate over the internet
14. Light-Emitting Diode