Unicode, An industry-standard character set that can represent thousands of different characters, Bit, The name for a single 0 or 1 in binary, Binary, Number system in base 2 that computers use to represent data and instructions, BinaryShift, A binary operation that is commonly used to multiply or divide binary numbers, ASCII, A relatively simple character set that can represent 128 different characters, Decimal, Number system in base 10, Analogue, Data that is continuous, allowing for an infinite number of possible values, Sample, An individual snapshot of a sound, thousands of which may be taken per second, ColourDepth, Refers to the number of bits used to represent the colour of each individual pixel, FileSize, A downside of storing better quality images/audio is that this attribute will be larger, RunLengthEncoding, Data compression method which stores a series of identical characters as a single value, used by most bitmap formats, Digital, Data in this format can only exist in binary, i.e. in '1's or '0's, Compression, The process of reducing the physical size of files, normally for use online, Sound, .WAV and .AIFF are file extensions for this category of file, Bitmap, A matrix of picture elements, SampleDepth, The number of bits used to store each sample in an audio file, SampleRate, The frequency at which an analogue sound signal is converted into digital, Resolution, Measurement of height and width of a bitmap image, Huffman, A type of compression that takes advantage of the fact that some letters occur more frequently than others, Pixel, The smallest element of a bitmap image, normally arranged in a two-dimensional grid.

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