ASCII - Name of the character set that uses 7 or 8 bits to store each character, unicode - Name of the character set that uses 16 bits to store each character, CHR (CODE_TO_CHAR) - Command that returns ASCII character when a number is entered, ORD (CHAR_TO_CODE) - Command that returns ASCII number when a character is entered, pixel - A single point of colour in an image, bitmap - type of digital image that is made up of many rows of pixels, vector - type of digital image that is stored as geometric information about each shape/colour etc, metadata - name for additional data that must be stored with an image (alongside the data about pixel colours), resolution, colour depth, date created - examples of metadata that would be stored with a bitmap, resolution - the total number of pixels in an image (expressed as width x height), colour depth - how many bits are needed per pixel to store the colour information, 3 bits per pixel - what would the colour depth need to be for an image with 8 colours?, file size - the name for how many bits in total are needed to store the data about an image, microphone - example of a device that can convert an analogue sound wave into digital data, headphones - example of a device that can digital data into an analogue sound wave, sample resolution - the term for how many bits are needed to store the different values that a sound wave can be measured at, sample frequency - the term for how many measurements of a sound wave are taken each second, resolution and colour depth - Two factors that can affect the quality of a digital image, resolution and sample frequency - Two factors that can affect the quality of a digital sound file,

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