CAT G11 Module 1 Lesson 4 Quiz

Which is option is NOT an example of an image capturing input device?

• Webcam

• Scanner

• Digital camera

• Monitor

Which two aspects can be used to measure the quality of scanned images?

• Resolution

• Refresh rate

• Monitor size

• Colour depth

True or False?

The greater the colour depth and the resolution, the less clear the scanned image.

• True

• False

What is the term that describes the following:

The total number of pixels the camera can capture ranges from an average of 5 MP to 50 MP on smartphone cameras. It determines the sharpness of your images.  

• Colour depth

• Lens aperture

• Resolution

• Focal length

What is the term that describes the following?

How far a lens can open to let in light.

• Shutter speed

• Focal length

• ISO setting

• Lens aperture

___________ input captures the unique biological features of an individual and converts them into a digital representation.

Can you name a few biometric input devices?