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An electronic, digital device
that stores and processes information.
A machine that accepts input,
processes it according to specified rules, and produces
output.
A general-purpose machine that
processes data according to a set of instructions that are
stored internally either temporarily or permanently. The
computer and all equipment attached to it are called hardware.
The instructions that tell it what to do are called software
or operating system. A set of instructions that perform a
particular task is called a program, or software program.
An electronic device that
stores, retrieves, and processes data, and can be programmed
with instructions. A computer is composed of hardware and
software, and can exist in a variety of sizes and
configurations |