Information and Technology

Information and Technology

1. CPU

   • Input Devices
     • Keyboard
     • Mouse
     • Microphone
   • External Storage
     • USB flash drive
     • External hard drive
     • Compact Disk (CD)
     • Digital versatile disk (DVD)
     • Tape
   • Output Devices
     • Speakers
     • Headphones
     • Monitor

2. Other Input Methods

   • Voice Recognition
     • Not as good as it is made out to be
     • Hard to use if you arnt the owner of the device
     • If you calibrated it in a quite it wont work in a loud room and the same applies the other way around
   • Games Controllers
     • Easier to play the game
     • easy to use compared to using the keyboard
   • Touch Screens
     • Help avoid the use of a keyboard and a mouse
     • Good to use in a public location
     • User friendly
     • Can instantly input data in resturaunts
     • Can get very dirty
   • Graphics Tables
     • Very good for graphic design
     • Usually pressure sensitive to make the drawing on the computer feel more real
     • You can draw directly onto your computer without having to use a scanner
     • Very user friendly
   • Barcode Scanners
     • first two digits are the country of origin
     • next five are the manufacturer of the product
     • next five are the product number in the shop
     • last digit is the check digit

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