input

input

1. keyboard

   • press key then it go to buffer then change to ASCII then go to CPU
   • entering data into pc in easiest way
   • anybody can use it because it's easy

2. mice

   • give x and y cordinates then send it to cpu
   • made working with computer easier
   • high accurecy

3. tochpad

   • find the x and y cordinate of where you touched then send to cpu
   • easiest way to control
   • veryu smal so you can use it every where

4. microphone

   • change the sound into binary code then to cpu
   • control pc with sound
   • talk to other people with pc

5. scanner

   • take a pictuere of paper then send to HDD
   • made our duccuments electronic
   • save duccuments from damage

6. CD/DVD

   • burn the disk with laser and make bite
   • made the revelotion in the technology
   • easy transfering data save from damage

7. modem

   • connect computers to each other
   • distribute internet
   • sending data from your place to ISP

8. webcam

   • tacke pictures very fast like 30 f per sec then sent to copmuter
   • control the pc
   • everybody that you want can see you

9. optical pen

   • find the place that you want and sent to cpu
   • high accuracy
   • easy way to control the computer

10. bar code reader

    • send a laser then with the black line send information to pc
    • easiest way to calculate the monthly sell value
    • send the value to data base as soon as posible