Data - This is unprocessed facts and figures that, on their own, have no context and meaning, Information - This is processed so has context and meaning, Lossy - This compression reduces the file size by removing some data which can result in reduction of image quality, Lossless - This compression type maintains the quality of the file, therefore no data is lost, Joint Photographic Expert Group - The acronym JPEG stands for…, GIF - This supports bitmapped image file format, AVI - This is a multimedia file format, PDF - This file format is read only, Bitmap - This graphic stores details about every individual pixel (element) of the image , Vector - This graphic is made up of mathematical components e.g. lines, shapes, curves, Streaming - Process that allows video to be viewed on a website straight away without having to wait for the full video to be downloaded, Pixel - The smallest unit of an image that can be displayed and edited, Buffer - Part of the memory used to store a downloaded part of a video before watching it, Character - A single letter or digit, Integer - A positive or negative whole number with no decimal or fractional parts, Real - A positive or negative number with decimal/fractional parts, Byte - 8 bits, Nibble - Is represented by 4 bits, BIT - Has a value of 0 or 1, 1024 - Number of kilobytes in 1 megabyte,

Unit 1: Digital Data

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视觉风格

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