World Wide Web A computer is an electronic data-processing device. Most likely, you're reading this on one.
Computers come in many forms and sizes.
Their operations are limited to the programs built into their microchips. These microprocessors are the basic components of electronic calculators and can be found in many other electronic products, including cameras, digital watches, and automobiles. A computer is a general-purpose machine that processes data according to a specific set of instructions. The instructions the computer receives are called software . A set of instructions grouped together to perform a certain task is called a program .