Output devices Flashcards
1
Q
Examples of Specialist Output Devices for disabilities
A
- Text-to-Speech
- Refreshable Braille Display
2
Q
Define InkJet Printer
A
- High Cost of Ink
- Richer Colour
- Lower Upfront cost
3
Q
Define Laser Printer
A
- Toner is cheaper/lasts longer
- Drum needs to be replaced
- Good for text, not good for photo
- Bitmap Image
- Drum is Cleaned
- Negative Charge is applied to Drum
- Laser changes polarity of drum
- Positively charged toner is applied
- Paper passed through
- Toner transferred
- Fusing
Charlie cant w*nk during the film
4
Q
Define Display Devices
A
LCD:
- Low cost
- Common
LED:
- Less Power
- Cheaper
- Environment
OLED:
- In Development
- Electric Current
- Lighter, flexible
- Mobile devices