What is the nature of Raster Images in terms of resolution?

Explore the NOCTI Audio, Video, Technology, and Film Test with multiple choice questions and detailed explanations. Enhance your skills and get ready for your examination with valuable insights and learning materials.

Raster images are composed of a grid of pixels, and each pixel has a defined color value, meaning they have a specific resolution determined by the number of pixels in the image. This resolution is fixed; for instance, an image that is 1920x1080 pixels has a set resolution of 2.07 megapixels. When a raster image is resized, particularly if enlarged, the individual pixels become more apparent, which can result in a loss of clarity and sharpness. This characteristic clearly distinguishes raster images from vector images, which can be resized without losing quality as they are resolution independent. Consequently, the fixed nature of raster image resolution relates directly to how they are created and rendered, reinforcing the understanding that any adjustment in their dimensions directly affects their visual fidelity.

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