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Which statement about analog and digital images is true?

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Which statement about analog and digital images is true?


Question: Which statement about analog and digital images is true?

The following statement about analog and digital images is true:

Analog images are continuous, while digital images are discrete.

This means that analog images are represented by a continuous range of values, while digital images are represented by a discrete set of values.

In an analog image, the brightness of each pixel is represented by a real number. This means that the brightness can take on any value, from 0 to infinity. In a digital image, the brightness of each pixel is represented by a finite number of bits. This means that the brightness can only take on a limited number of values.

The difference between analog and digital images is important because it affects how the images are stored, processed, and displayed. Analog images are typically stored on film, while digital images are typically stored on a computer. Analog images are processed using analog signal processing techniques, while digital images are processed using digital signal processing techniques. Analog images are displayed using analog devices, such as televisions, while digital images are displayed using digital devices, such as computer monitors.

Here are some other differences between analog and digital images:

  • Analog images are typically larger than digital images.
  • Analog images are more susceptible to noise than digital images.
  • Digital images are more easily manipulated than analog images.
  • Digital images are more easily stored and transmitted than analog images.

In general, digital images are more versatile and easier to work with than analog images. However, analog images can still be useful in some applications, such as high-resolution photography.

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