input,output,storage devices

input,output,storage devices

1. keyboard- to enter text

2. touch screen devices- keyboard on a computer screen

3. mice- to click on things you want it to click on

4. joystick- sits inside a base unit

5. scanners- exsiting hard copy of a documant

6. digital cameras- creates a digital image of what the camera sees

7. microphones- captures sound; electric signal

8. voice recognition- converts spoken commands into text

9. computer monitor- visual display of information on what evers being created

10. data projectors- takes a video signal and projects it onto a surface

11. printers- to create a permanent copy of your work

    • inkjet printer
    • doc - matrix printer
    • lazer printer
    • thermal printer

12. speakers- the display sound etc. music and radio programmes

13. hard disks- data is stored, either reads data or adds data

14. magnetic tape- one of the earliest media developed.

    • very large capacity and cheap.
    • drawbacks- takes long time to loacte

15. portable flash drives- data stored on a single computer chip and electricity is used to create data

    • benefits- their small
    • drawback- only written to them a limited number of times then they will stop working

16. memory cards- same as memory sticks , instead its stored on a card which can be inserted toa slot reader

    • benefits - their small large memory capacity
    • disadvantage- only able to have data written to them

17. DVDS- can be insterted to watch films on your computer

18. remote storage- possible to transfer data between different computers using internet

19. EPOS- found mainly in shops