bit, basic computing element, either 0 or 1, binary number system, base 2 system using 0 and 1, hexadecimal number system, base 16 system using 0-9 and A-F, error code, error message generated by the computer, MAC address, unique hexadecimal identifier for a device, IP address, internet protocol identifier for a device, HTML, language used to design web pages, overflow error, result too large for allocated storage, logical shift, shifts bits left or right, two's complement, method of representing negative binary numbers, ASCII code, character set for keyboard and control codes, character set, list of characters defined by hardware and software, Unicode, character set representing world languages, sampling resolution, bits used for sound amplitude values, bit depth, bits used for the smallest sound unit, colour depth, bits used to represent pixel colours, sampling rate, number of sound samples per second, bitmap image, image made up of pixels, pixel, smallest element used to make an image, image resolution, number of pixels in an image, pixelated image, image where individual pixels are visible, pixel density, number of pixels per square inch, compression, reducing file size by removing redundancy, bandwidth, maximum data transfer rate of a network, lossy file compression, compression where some data cannot be recovered, lossless file compression, compression allowing full file restoration, audio compression, reducing sound file size using perceptual shaping, MP3, lossy compression method used for music, MP4, lossy file compression used for multimedia, JPEG, lossy compression format for image files

Class-9_IGCSE_CS_CHP1_Data Representation

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