Computer Hardware - The Need for Input&Output Devices

What is the purpose of a microphone

• to record/transmit audio data
• to record/transmit text data
• to record/transmit infrared data
• to play audio data

What is the purpose of a scanner

• to convert images or text on paper to a digital format
• to record audio data
• to print paper copies of files
• to play audio data

A touchpad and a touchscreen are the same thing

• False
• True

If you are an artist, it is easier to draw images using a graphics tablet

• True
• False

Graphics tables are much more expensive than a typical laser mouse

• True
• False

Excessive use of any input or output devices can lead to health problems such as RSI

• True
• False

Which one of these is an automatic input device?

• Optical Mark Recognition
• Mouse
• Keyboard
• Scanner

A webcam is vital if you want to watch videos on youtube

• False
• True

A device which records facial recognition or fingerprints is what type of system

• Biometric
• Future technology
• AI
• Skynet

What type of device is used to detect physical changes in things such as light, temperature or object proximity.

• Sensors
• Magnets
• Mice
• Cameras