Output devices

Question 1

Examples of Specialist Output Devices for disabilities

Answer 1

• Text-to-Speech

- Refreshable Braille Display

Question 2

Define InkJet Printer

Answer 2

• High Cost of Ink
• Richer Colour
• Lower Upfront cost

Question 3

Define Laser Printer

Answer 3

• 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

Question 4

Define Display Devices

Answer 4

LCD:

• Low cost
• Common

LED:

• Less Power
• Cheaper
• Environment

OLED:

• In Development
• Electric Current
• Lighter, flexible
• Mobile devices