Plotter
A plotter is a computer hardware device much like a printer that is used for printing vector graphics. Instead of toner, plotters use a pen, pencil, marker, or another writing tool to draw multiple,…
Monitor
A monitor may refer to any of the following: 1. Alternatively referred to as a VDT (video display terminal) and VDU (video display unit), a monitor is an output device that displays video images and text. A monitor is made up…
Headphones
Sometimes referred to as earphones, headphones are a hardware output device that either plug into a computer line out or speakers. Headphones allow you to listen to audio or watch a movie without disturbing people around you. The…
GPS
Short for Global Positioning System, GPS is a network of satellites that helps users determine a location on Earth. The thought of GPS was conceived after the launch of Sputnik in 1957. In 1964, the TRANSIT system…
Flat-Panel Display
Sometimes abbreviated as FPD, a flat-panel display is a display technology which succeeds CRT as the new standard for desktop computer displays. Unlike CRT monitors, flat-panel displays use LCD (liquid crystal display) or LED (light-emitting diode) screens, making them lighter and…
Braille Reader
braille reader, also called a braille display, is an electronic device that allows a blind person to read the text displayed on a computer monitor. The computer sends the text to…
3D Printer
Created by Chuck Hull in 1984, the 3D printer is a device that creates a physical object from a digital model by layering materials. 3D printers use materials such as metal alloys, polymers, plastics, or…
Hard Copy
Alternatively referred to as a paper copy, a hard copy is any information that is printed on paper. Hard copies allow data to be read without the need of a computer and are…
Central Processing Unit (CPU)
A Central Processing Unit is also called a processor, central processor, or microprocessor. It carries out all the important functions of a computer. It receives instructions from both the hardware…
Output Devices
An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. For example, the image shows an inkjet printer, an output device that can make a hard…


