1、CHAPTER 6 output,Display Devices,2,What Is Output?,Text Graphics Audio Video,Output, Chapter 5,3,4,Hard Copy vs. Soft Copy Output,Hard Copy (Paper Output) Soft Copy (Monitor Display),El Centro College,5,Output: Monitors, Printers, Plotters, and Voice,Most output can be divided into two categories: S

2、oft Copy and Hard Copy. Soft copy includes output from monitors and from audio devices. Hard copy output includes output from printers, plotters, and microfilm and microfiche.,6,What are Output Devices?,Any computer component capable of conveying information to a user,7,Output Devices,Any computer c

3、omponent capable of conveying information to a user Output devices convert machine readable information into people-readable form. The output devices most commonly used with microcomputers are: Monitors Printers Plotters Voice-Output Devices,8,Display Devices,An output device that visually conveys t

4、ext, graphics, and video information CRT Monitors Screen housed in a plastic or metal case Color monitor,9,Types CRT Flat-screen Resolution Pixels SVGA or VGA Monochrome or color,PIXELS,RESOLUTION,Output Devices = Monitors,10,Monitors,cathode ray tube (CRT) liquid crystal display (LCD),Laptop color

5、LCD display,Desktop computers use a CRT,11,Monitors,Monitors are also called: display screens video display video display terminal (VDT).,12,Monitors,Images are represented on monitors by individual dots or “picture elements” called pixels. A pixel is the smallest unit on the screen that can be turned on and off or made different shades.,13,Pixels,14,Monitors(Continued),The density of the dots determine the screen resolution which is the clarity of the images on the screen. The greater the number of dots on the screen, the better the resolution will be. Monitors