Monitors are cheaper, faster, and more beautiful than ever. Here’s how to choose one that will suit your needs and budget.

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 ...

The first mechanical computer is an Analytical Engine, which was designed by Charles Babbage, the Father of the Computer.

Abstract: In this article, a pen-type device that enables three-dimensional (3D) human-computer interaction is presented. This device is based on a high-precision 3D ultrasonic (US) positioning method ...