- computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
--1 is a kind of engineering, engineering science, applied science, technology
--1 is a part of information science, informatics, information processing, IP
--1 has particulars: artificial intelligence, AI - calculation, computation, computing - the procedure of calculating; determining something by mathematical or logical methods
--2 is a kind of procedure, process
--2 has particulars:transposition; number crunching; mathematical process, mathematical operation, operation; recalculation