Image, sound and compression 0.0 / 5 ? ComputingRepresenting dataGCSEOCR Created by: J4M1LKCreated on: 19-09-17 14:56 Define character sets. A defined list of characters recognized by the computer hardware and software. 1 of 9 What does image size mean? Image size is the width and height of an image in pixels. 2 of 9 What is colour depth? Colour depth is the number of pixels needed to indicate a certain colour 3 of 9 What is metadata? Image metadata is the data stored with the data of the image which includes information. 4 of 9 What is a pixel? A pixel Is the smallest element of an image. 5 of 9 What is the denary system? Base 10- ten digits: 1,2,3,4,5,6,7,8,9,0. 6 of 9 What is an overflow error? When there is another digit left over after you have added two binary numbers. 7 of 9 When are uncompressed audio files made? Uncompressed audio files are made when high-quality recordings are created. 8 of 9 What is compression used for? Compression is a useful tool for reducing file sizes. 9 of 9
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