the procedure of calculating; determining something by mathematical or logical methods | a coding system used for transmitting messages requiring brevity or secrecy |
the branch of engineering science that studies (with the aid of computers) computable processes and structures | a set of rules or principles or laws (especially written ones) |
| (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions |
| a series of letters, numbers or symbols assigned to something for the purpose of classification or identification |