For approximately three decades before the turn of the century, com machines were used to take printimage output from the computer either. The size of a monitor is measured in inches diagonally across the screen. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. Application areas of computer graphics, overview of graphics systems, videodisplay devices, rasterscan systems, random scan systems, graphics monitors and work stations and input devices. An output device is any piece of computer hardware equipment which converts information into humanreadable form. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction.
Computer graphics is concerned with producing images and animations or sequences of images using a computer. Jun 01, 2017 7 most important input devices of computer, namely computer graphics in powerpoint presentation formppt. Example glgraphics library system on silicon graphics equipment. This transformation is performed by input interface. They can be used by the computer to create a picture of whatever the camera had been pointed at. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Weve picked out your system unit and input devices. Computer graphics pdf computer graphics book pdf notes starts with the topics covering introduction of computer graphics.
This includes the hardware and software systems used to make these images. These examples of output devices also include input output devices. We need to head to the computer store one more time. An input devices converts the data and instructions into binary form that computer can understand.
Inputoutput devices are required for users to communicate with the computer. The devices which are used to display the results or information are called output devices. A computer or laptop keyboard is kind of hardware device that you can use to type data in a computer system. You can view the output on the monitor or you can print it on a paper using a printer. Computer graphics pdf notes free download for mca and b. The data entered through input device can be some text, some graphical image or symbol, sound etc, depending on the form of the raw data the various input devices are available.
Difference between input devices and output devices. Includes teachers powerpoint, activity, worksheet, and plenary. Introduction to computer graphics home computer science. Download computer graphics,multimedia and animation by. Ppt input and output devices powerpoint presentation. A good input device should provide timely, accurate and useful data to the main memory of the computer for processing. Jan 05, 2017 the devices which are used to display the results or information are called output devices. The most common type of graphics monitor employing a crt is the raster scan display. Output devices output devices are used to receive information from the computer either in softcopy or hard copy. Points and lines, line drawing algorithms, midpoint circle and ellipse algorithms.
Definition a display device is a device for visual or tactile presentation of images including text acquired, stored, or transmitted in various forms. Input and output devices used for computer graphics. Computer graphics notes pdf cg notes pdf smartzworld. Computer devices computer input and output devices 992019 designed by. It forms images from tiny dots, called pixels that are arranged. It can be text, graphics, tactile, audio, and video some of the output devices are visual display units vdu i. A computer graphics can be anything like beautiful scenery, images, terrain, trees, or anything else that we can imagine, however all these computer graphics are made up of the most basic components of computer graphics that are called graphics output primitive or simply primitive. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. Dec 29, 2016 an input devices converts the data and instructions into binary form that computer can understand. In computing, input output refers to the communication between aninformation processing system such as a computer, and the outside world. Few examples of output devices are printers, projector, plotters, monitor, speakers, head phone, etc.
Input and output devices of a computer essay example. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. The audio output is the ability of the computer to output sound. Nov 16, 2019 an output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. What is the purpose of output devices in computer graphics. See more ideas about output device, liquid crystal display and lcd monitor. A new type of output device is been developed these days, known as speech. We provided the download links to computer graphics notes pdf free download b. Sep 30, 2019 computer graphics pdf computer graphics book pdf notes starts with the topics covering introduction of computer graphics. The monitor displays the video and graphics information generated by the computer. The chapter has given an introduction to the inputoutput devices. In today life, computer graphics has now become a common element in user interfaces, t. Introduction to computer graphics computer science.
Input devices are necessary to convert information or data in to a form which can be understood by the computer. Using a computer may seem an easy task because of the. Device that takes image from a computer screen and projects it onto a larger screen p. This text is primarily designed to meet the curriculum needs of courses in computer graphics and multimedia for students pursuing studies in computer science and engineering, information technology and computer applications. Video input devices are used to entering full motion video recording into a computer. They are locators and selectors a joystick has two potentiometers, they have been attached to a single lever. Monitor and the printer are the commonly used output devices. The joystick is a vertical stick which moves the graphic cursor in a direction. Most commonly used output device in a graphics system is a video monitor. Input devices input is any data or instructions entered into the memory of a computer.
Growth in computer graphics has led to an increase in demand for hard copy devices. Sound card plays contents of digitized recordings, speakers attached to sound card. The following is a list of the most common input devices which are nowadays found in a computer system. There are now many competing products on the market based on technologies suited to differing requirements. Mar 10, 2016 computer graphics pdf notes free download for mca and b. In computing, inputoutput refers to the communication between aninformation processing system such as a computer, and the outside world. To display the picture, the system cycles through the set of commands in the display file drawing each component line in turn. Ingamule siraji 1 a computer is an electronic device that works. Lesson 4 graphics display devices, hard copy technologies, 8.
This is the most common output device connected with the computer to display the processed information. Output devices in all applications allow you to display, print, or otherwise present the results of your program to anyone, period, who is not, in fact, inside the memory core of the computer. It forms images from tiny dots, called pixels that are arranged in a rectangular form. In this article, we share output devices of computer in details. The output devices for computer graphics are the monitor screen and the printer. Computer output devices tutorialspoint monitors, commonly called as visual display unit vdu, are the main output device of a computer.
About input and output devices some examples of input and output devices lesson 2 input and output devices input devices allow us to send information to the computer. It is an electromechanical device, which accepts data from a computer and translates them into form understand by users. It gives a detailed listing of the various types of input devices and the output devise. An output devices is a piece of hardware that is used to display objects or output data which has been processed or has been stored in the computer. Shekhat, ce department 2160703 computer graphics what is computer graphics. Tech lecture notes, study materials, books pdf, for engineering students. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. Input output devices list with their functions pcguide4u.
Tech 2nd year software engineering books at amazon also. Full lesson for gcse computer science input and output io devices. Random scan displays are designed to draw all the component lines of a picture 30 to 60 times a. Introduction, application areas of computer graphics, overview of graphics systems, videodisplay devices, rasterscan systems, random scan systems, graphics monitors and work stations and input devices. A color monitor can display from 16 to over 1 million different colors. A general graphics programming package provides an extensive set of graphics functions that can be used in highlevel programming languages. Healy university of limerick cs4815 spring 20192020 1 22. Pdf interaction styles and inputoutput devices researchgate. See more ideas about output device, hardware components and office automation. Output devices projector an output device that can take the display of a computer screen and project a large version of it onto a flat surface. Output devices monitor printer audio output projector 16. Input devices various hardware devices have been developed to enable the user to interact in the more natural manner. Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users. Monitors and printers are two of the most commonly used output devices used with a computer.
The input device converts the data into the computers own internal code. If you liked this video, computer input devices ppt, please hit the like button. The process transforms and presents information in a visual form. For that, we share computer notes for bank exams and material, which include the brief explanation of all the topics. Computer graphics is the creation of pictures with the help of a computer. So you must prepare all the important topics in computer awareness section of bank exams. Now weve really got to figure out whats important for your output.
Pdf input output storages devices in computers researchgate. The task of producing photorealistic images is an extremely complex one, but this is a field that is in great demand because. Computer graphics image is made up of number of pixels. Printer is the most important output device, which is used to print data on paper. Graphics software two classifications general programming package specialpurpose application package. Pdf computer input and output devices ingamule siraji. Creating microfilm or microfiche from the computer. Unit1 basics of computer graphics darshan institute of. Device that transmits and receives documents over telephone lines p. These examples of output devices also include inputoutput devices. An electron gun at the rear of the tube produce a beam of electrons which is directed towards the. A digital projector is a device which connects to a computer and used to.
An input device is any hardware component that allows a user to enter data and instructions into a computer. Sep 09, 2019 the main difference between input devices and output devices is that the devices that are used to get input signals from the user are known as input devices whereas the devices that are used to display the output signals to the user are the output devices. Ddas are used for rasterization of lines, triangles and polygons. Computer graphics is an art of drawing pictures, lines, charts, etc. Nov 22, 2016 video input devices are used to entering full motion video recording into a computer.
A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. Input is usually given by clicking the mouse or typing on the keyboard. Following are few of the important output devices which are used in a computer. Example gl graphics library system on silicon graphics equipment. Input devices include scanners, cameras, keyboards and light pens. What are the output devices for computer graphics answers. After all line drawing commands have been processed, the system cycles back to the first line command in the list. Computer awareness for bank examscomputer knowledge is an important part of bank exams. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Computer awareness study material output devices of computer. Graphics input devices graphics output devices computer graphics p. The joystick is a vertical stick which moves the graphic cursor in a direction the.
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