Computer

A magnetic stripe card is a type of card capable of storing data by modifying the magnetism of tiny iron-based magnetic particles on a band…

A graphics tablet or digitizing tablet, graphics pad, drawing tablet is a computer input device that allows one to hand-draw images and graphics, similar to…

Light Pen is an input device that utilizes a light-sensitive detector to select objects on a display screen. It is a computer input device in the form of a light-sensitive wand used…

A computer mouse is an input device that is most often used with a personal computer. A mouse is an input device that translates its movements…

The keyboard is the oldest and most familiar of all input devices. Keyboards are intelligent devices and contain their own chips. Basically each key acts…

Basic purpose of this lecture is to present on Output Devices of Computer. Some common output devices are: Printer; Visual Display Units; Graph plotters; Speakers; Arm robot etc. A computer printer,…

Input devices are used to get data into a system. The ideal input devices would be able to get data into a system as accurately…

Test Management is performed using tools to manage both types of tests, automated and manual, that have been previously specified by a test procedure. It…

Software Prototyping is an opportunity for the manufacturer to get an idea of what the final product will look like before additional resources, such as…

Applications of Information Technology is used in the context of enterprise operations as opposed to personal or entertainment technologies. It is a set of tools,…

This article describe about System Requirements, which is the hardware and software components of a computer system that are required to install and use software…

This article talks about Data Integrity, which is the accuracy and consistency of stored data, indicated by an absence of any alteration in data between…