A computer is a programmable device that can automatically perform a sequence of calculations or other operations on data once programmed for the task. It can store, retrieve, and process data ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Add us as a preferred source on Google A system image, otherwise referred to as a hard drive ...

The input-output system of a computer consists of the programs and devices that allow the machine and its user to communicate. Recently graphical devices for this purpose have evolved rapidly ...