MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Raster graphics are comprised of pixels. Pixels are small squares of colour, alongside each other arranged in a grid. It is the entire grid of pixels that make up the image, much as an impressionist artist creates an image through dabs of pure colour.

Detailed explanation-2: -The main difference between vector and raster graphics is that raster graphics are composed of pixels, while vector graphics are composed of paths. A raster graphic, such as a gif or jpeg, is an array of pixels of various colors, which together form an image.

Detailed explanation-3: -Raster images have a certain amount of pixels within each inch. A 72 ppi image has 72 pixels in every inch. A 300 ppi image has 300 pixels per inch.

Detailed explanation-4: -Raster images are compiled using pixels, or tiny dots, containing unique color and tonal information that come together to create the image.

Detailed explanation-5: -[data models] The smallest unit of information in an image or raster map, usually square or rectangular. Pixel is often used synonymously with cell. [remote sensing] In remote sensing, the fundamental unit of data collection. A pixel is represented in a remotely sensed image as a cell in an array of data values.