Input and Output Devices

Which type of touchscreen uses the human body's electiricy conducting properties?

• Optical Infrared

• Heat Infrared

• Resistive

• Capacitive

Which type of touchscreen uses a grid of sensors to locate the touch?

• Optical Infrared

• Heat Infrared

• Resistive

• Capacitive

Which type of touchscreen uses two layers which are pushed together when the user presses the screen?

• Optical Infrared

• Heat Infrared

• Resistive

• Capacitive

Which type of touchscreen cannot properly be used with gloves?

• Optical Infrared

• Heat Infrared

• Resistive

• Capacitive

This type of screen uses crystals to allow or block light and uses a flourescent backlight

• LED

• LCD

• OLED

• DLP

This type of screen uses crystals to allow or block light and uses an array of small light emitting diodes

• LED

• LCD

• OLED

• DLP

This type of screen uses LEDs which are capable of creating their own backlight, allowing for perfect blacks

• LED

• LCD

• OLED

• DLP

This type of screen has the potential for 'burn-in' if images are left in the same place for an extended period of time

• LED

• LCD

• OLED

• DLP

This technology is often used in projectors and uses a series of mirrors to direct the image

• LED

• LCD

• OLED

• DLP

Which type of printer creates layers on layer using a mechanical arm?

• Inkjet

• Laser

• 3D