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Sb70012 Posted 10 years ago
Grammar

Digital data are not subject to the vagaries of difficult-to-control chemical processing.

The advantage of digital over photographic imaging is evident: the resulting numerical data are precisely known, and digital data are not subject to the vagaries of difficult-to-control chemical processing.

Source: university exam in Iran (I think it's taken from GRE books too.)

Hi,
The blue part doesn't make sense to me. What's it talking about?
I can't see how "chemical processing" is relevant to "digital imaging".
I can't make head or tail of the blue part.

not subject to the vagaries => means what?
difficult-to-control chemical processing => means what?

Any guidance?

Thank you.
  

Top answer

sb70012 digital data are not subject to the vagaries of difficult-to-control chemical processing. If you use digital data to create photos instead of the old way of developing photos by treating exposed film with chemicals in a dark room, you don't have to deal with any of the difficult problems that are associated with the chemical processing of film. CJ

— CalifJim

  • sb70012 digital data are not subject to the vagaries of difficult-to-control chemical processing.
  • If you use digital data to create photos instead of the old way of developing photos by treating exposed film with chemicals in a dark room, you don't have to deal with any of the difficult problems that are associated with the chemical processing of film.
  • CJ
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4 Answers
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sb70012digital data are not subject to the vagaries of difficult-to-control chemical processing.
If you use digital data to create photos instead of the old way of developing photos by treating exposed film with chemicals in a dark room, you don't have to deal with any of the difficult problems that are associated with the chemical processing of film.
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What is digital data?
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sb70012What is digital data?
It's data represented by ones and zeros in a computer.

CJ
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sb70012What is digital data?
"One simple example is the conversion of a physical scene to a digital image. In this way, new digital data is somewhat similar to older data systems that converted a physical view or scene to chemical film. One of the major differences is that digital data records visual information into a bitmap, or pixelated map, that stores a p
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