noun A programmable electronic device that performs mathematical calculations and logical operations, especially one that can process, store and retrieve large amounts of data very quickly; now especially, a small one for personal or home use employed for manipulating text or graphics, accessing the Internet, or playing games or media. .mw-parser-output .defdate{font-size:smaller}
I spend around 6 hours a day at the computer.
noun A person employed to perform computations; one who computes.