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(pronounced. eb-sid-ic)
Extended Binary Coded Decimal Interchange Code: an 8-bit character set used by older
Unicode
A 16-bit character set that allows many more characters to be coded
Bitmap image
An image that has been stored as a series of values per pixel. the colour of each individual pixel
Vector Graph
An image file that is made up of lines and shapes that have certain properties. for example a line
Pixel
Short for picture element. It is the smallest component of a bit-mapped image
Colour depth
The number of bits used to represent the colour of a single pixel in a bit-mapped image
Resolution
The number of pixels in a image expressed as:
Metadata
All of the data you have about an image
Analogue
A continuosly changing wave such as natural sound
Sample rate
The number of times per second that the sound wave is measured
Sample interval
The time gap between measurments of the sound wave being taken. Another way of expressing the
Sample resolution
The number of bits used to store the values of each sample. The higher the number of bits
ADC
Analogue to Digital Converter: takes real world analogue data and converts it to binary representation
Data
Facts and figures with no context or format to give them meaning
Information
Processed data that has context and a format so that it conveys meaning