sound is a wave, microphones are used to record sounds, ASCII_and_Unicode are examples of character_sets, a pixel is one square on a computer screen, sound_file_size = sample_frequency x bit_rate, image_size = bit_depth X number_of_pixels, Speakers are used to play sounds, unicode can store more_characters than ASCII, unicode_is_needed to_store emoticons, special_characters and characters_from_other_countrys, digital_recording measures the height of the wave at regular_intervals, frequency is the interval between recordings, Higher frequency of measurements means higher quality, higher quality sound files are bigger because they use more data, Computers store the colour_of_each_pixel as_a_binary number representing_ the_amount of Red_Green_Blue,

PS data representation mixup

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