Presentation on output device
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This document provides an overview of different types of computer output devices. It begins by defining an output device as an electromechanical device that accepts data from a computer and translates it into a form suitable for users. Output is classified as either soft-copy, which is temporary, or hard-copy, which provides permanent output. The document then describes various output devices including monitors, printers, plotters, projectors, and voice response systems. It provides details on the purpose and functioning of each type of output device.
Presentation on output device
- 1. A Presentation On Output Device Name:- Nitish Xavier Tirkey F.Y.BCA Date:- 4th October, 2010
- 2. Flow of presentation Introduction Types of output device
- 3. Introduction An output device is an electromechanical device that accepts data from a computer and translates them in suitable form for the users. Output devices generate computer output that can be broadly classified into two types:- (1). Soft-copy output:-They are temporary in nature (2). Hard-copy output:- They are permanent in nature and can be kept in paper files or can be looked later when the person is not using a computer
- 4. Types of output device Monitors Printers Plotter Projector Voice response system
- 5. Monitors Monitor are the most popular output device used today for producing soft-copy output A monitor is associated usually with a keyboard and together they form a video display terminal Two basic types of monitor:- (1). Cathode Ray Tube(CRT):- The CRT monitor displays images with color that are consistent and can be viewed with different angles. (2). Liquid Crystal Display(LCD):- The LCD monitor are thin and they use little space. They are light in weight, consume less energy.
- 6. Printer The printer is a device that print text document and images on paper It is a peripheral output device. Printers can be classified in two group- impact printers and non-impact printers There are different types of printers:- (1).Dot-Matrix:- Dot-Matrix printers are character printer that print one character at a time. They form character and all kind of images as patterns of dots. (2).Inkjet:- Inkjet printers are character printers that form characters and all kinds of images by spraying small drops of ink on a paper. (3).Laser Printer:- The Laser Printer uses a beam of laser for the purpose of printing and it is consists of a revolving cylinder that is made up of photoconductive material
- 7. Plotter Plotter are an ideal output device for architects, engineers, and others who need to routinely generate high-precision, hard-copy, graphic output of widely varying sizes. There are two types of plotter:- (1).Drum Plotter:- In a drum plotter, the paper on which the design is to be made is placed over a drum that can rotate in both clockwise and anti-clockwise direction to produce vertical motion. (2).Flatbed Plotter:-A flatbed plotter plots design or graph on a sheet of paper spread and fixed over a rectangular flatbed table.
- 8. Projector Screen image projector is an output device used to project information from a computer on a large screen Additionally, a full-fledged multimedia presentation with audio, video, image and animation can be prepared and made by using this facility Like monitors, screen image projectors provide a temporary, soft-copy output
- 9. Voice Response Systems Just as a speech recognition system allows a user to talk to a computer, a voice response system enables a computer to talk to a user Voice response systems are of two types:- (1).Voice reproduction system:- A voice reproduction system produces audio output by selecting an appropriate audio output from a set of prerecorded audio responses (2).Speech synthesizer:- A speech synthesizer converts text information into spoken sentences. To produce speech, these device combine basic sound units called phonemes
- 10. Thank You