Lesson 2 - LS, Functions, Pronunciation - TECHNOLOGY - Page1
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- Ćwiczenie 1 aqm (hotspot)
- Ćwiczenie 2 aqm (drag&drop)
Listen to this lecture on how digital cameras work and decide if these sentences are true.
(Lecture by Dennis P. Curtin. You can find more information on this topic on his webpage, ShortCourses, at http://www.shortcourses.com/choosing/how/03.htm)
Both digital and traditional cameras have a lens, an aperture and a shutter.
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True
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False
The difference is that digital cameras record the image on an image sensor, not on film.
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True
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False
Both digital and traditional cameras have pixels.
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True
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False
- Ćwiczenie 4 aqm (drag&drop)
Now listen for the third time and decide if these sentences are true.
Each photosite captures a group of pixels.
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True
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False
Pixels which capture a lot of light have high charges.
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True
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False
The charge from each pixel is measured and converted into a digital number.
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True
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False
Pixels on an image sensor can only capture brightness, not color.
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True
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False
Individual photosites can capture color.
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True
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False
- Ćwiczenie 6 aqm (drag&drop)
PRONUNCIATION
Here are some words from Lessons 1-20 that are difficult to pronounce. Practice repeating them after the speaker.
