Exam-style question
Try this first
What is the main principle used by a digital camera to capture an image?.
- A.A sensor detects light and converts it into digital data
- B.A radio signal activates toner particles
- C.A printed code is scanned by reflected laser light
- D.A magnetic strip is read by a moving print head
Model answer
What a good answer should say
- A sensor detects light and converts it into digital data
Explanation
Why this works
A digital camera uses a light-sensitive sensor to detect the image. The detected information is converted into digital data for storage or processing.
Common mistake
No common mistake is linked to this question yet.