…a system of words, letters, figures, or symbols used to represent others, especially for the purposes of secrecy…
…a machine-readable code consisting of an array of black and white squares, typically used for storing URLs or other information for reading by the camera on a smartphone…
…a word used for secrecy or convenience instead of the usual name…
…a numerical code used in computing in which consecutive integers are represented by binary numbers differing in only one digit…
…fix (data or parameters) in a program in such a way that they cannot be altered without modifying the program…
…a code number representing the tax-free part of an employee’s income, assigned by tax authorities for use by employers in calculating the tax to be deducted under the PAYE system…
…a coded signal on videotape or film giving information about such things as frame number, time of recording, or exposure…
…a coding system using the binary digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device…
…a computer programmer, especially an inexperienced or unskillful one…
…a system of marking things with different colours as a means of identification…
…a set of rules, usually written and posted, specifying the required manner of dress at a school, office, club, restaurant, etc.…
…a text listing of commands to be compiled or assembled into an executable computer program…
