Data Representation 0.0 / 5 ? ComputingRepresenting dataGCSEOCR Created by: PollyMunroCreated on: 29-03-19 11:59 A digit added to the end of a string of digits to check if all the digits have been entered and read correctly Check Digit 1 of 15 A group of characters that a computer recognises from their binary representation Character Set 2 of 15 A 7-bit character set consisting of 128 characters ASCII 3 of 15 A large character set that attempts to include all possible characters that may be written Unicode 4 of 15 Small dots that make up a bitmap image Pixel 5 of 15 Extra data stored in a file which gives information about a file's properties Metadata 6 of 15 The number of bits used for each pixel in an image file Colour Depth 7 of 15 The density of pixels in an image Resolution 8 of 15 The process of converting analogue signals to digital data Sampling 9 of 15 The time between each sample Sampling Intervals 10 of 15 The total number of bits available for each audio sample Sample Size 11 of 15 The number of bits used per second of sampled audio Bit rate 12 of 15 The number of audio samples that are taken per second Sampling Frequency 13 of 15 Permanently removing data from a file to decrease the file size Lossy Compression 14 of 15 Temporarily removing data from a file to decrease the file size Lossless Compression 15 of 15
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