From the course: Cert Prep: Adobe Certified Associate - InDesign

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Understand publication terminology

Understand publication terminology - InDesign Tutorial

From the course: Cert Prep: Adobe Certified Associate - InDesign

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Understand publication terminology

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- [Instructor] The ACA exam will test your understanding of basic design vocabulary words so let's review some key terms. First, we'll talk about two basic types of digital images: raster and vector. Raster refers to the kind of digital images that are composed of a rectangular grid of pixels. And a pixel is the smallest unit with which Photoshop can define a single point of color. When you're working with pixel-based images in Photoshop, you're working with raster images. And raster images have resolution. Resolution is a measure of the density of pixels in a raster image. So an image that had a resolution of 600 pixels per inch would have a high density of pixels so it would be high resolution and appear much more detailed than say an image that had a resolution of 60 pixels per inch which would be considered low resolution. So we say that raster images are resolution dependent. Images that are entirely composed of vectors, those you could create with Adobe Illustrator, are said to…

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