(programming) A language that is used internally by computers, including programming languages, machine languages, query languages, markup languages etc.

The process of aggregating the power of several computers to collaboratively run a single computational task in a transparent and coherent way.

(computing) A form of computing in which the computer resources are consumed like a traditional utility (water, electricity, gas).

(informal, computing) Computing services provided over the Internet (or "cloud"), whereby shared resources, software, and information are provided to computers and other devices on demand.

(computer hardware) The conceptual structure around which a given computer is designed. / (computer hardware) The science of computer design.

(dated) A small computer, built around a microprocessor, for use by one person at a time.

An electronic game, especially a game played using a general-purpose computer (as opposed to a game console).

(computing, mathematics) a formal theory of computability

(computing) A program which can covertly transmit itself between computers via networks (especially the Internet) or removable storage such as disks and USB drives, often causing damage to systems and data.

(logic) Recursion theory. / (computer science) The branch of the theory of computation that studies which problems are computationally solvable using different models.