IB Physics HL S1.2.1 Data Collection Technology Questions
Explain HL CCD data collection by relating pixel charge, potential difference, digitization and binary output.
- Syllabus
- First assessment 2025
- Course
- Physics HL
- Level
- HL
Exam points
- explain that incident light develops a charge or potential difference in each CCD pixel
- describe how each pixel’s potential difference is converted into a digital signal or binary number
- link pixel-level charge collection and digitization to the formation of a digital image
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IB Physics HL S1.2.1 Data Collection Technology Questions question 1
[Maximum number: 2]
This question is in two parts. Part 1 is about solar power and climate models. Part 2 is about digital storage of data.
A charge-coupled device (CCD) enables large amounts of photographic data to be captured and stored.
Outline how the image on a CCD is digitized.
a potential difference is developed across each pixel;
the potential difference is converted into a digital signal/binary number;
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