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

Data Representation 2

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