Output can be text, numeric data, line, polygon, and other objects. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. Input and output devices of computer computer notes. These devices can help us enter data into the computer. Monitor and the printer are the commonly used output devices. Dec 29, 2016 an input devices converts the data and instructions into binary form that computer can understand. Pdf interaction styles and inputoutput devices researchgate. The input devices are the hardware that is used to transfer transfers input to the computer. Input and output devices input and output devices joseph j. A general graphics programming package provides an extensive set of graphics functions that can be used in highlevel programming languages. What are graphical input and output devices in a computer.
Input devices as well as output devices are a neccessity in order to ensure that data is. The flatpanel display refers to a class of video devices that have reduced volume, weight and power requirement in comparison to the crt. An input device is any hardware component that allows a user to enter data and instructions into a computer. Microphone microphone is an input device to input sound that is then stored in digital form.
Examples of an output device are a monitor and printer. The joystick is a vertical stick which moves the graphic cursor in a direction the stick. Computer graphics notes pdf cg notes pdf free download. You can hang them on walls or wear them on your wrists. Monitors are very similar to televisions but usually display information at a much higher resolution. The devices which are used to input the data and the programs in the computer are known as input devices. Keyboard and mouse are the most commonly used input devices. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. 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. Input output devices are required for users to communicate with the computer. Pdf computer input and output devices ingamule siraji. Find out inside pcmags comprehensive tech and computerrelated encyclopedia. To work with these data, we require different types of devices.
Inputoutput devices are required for users to communicate with the computer. This transformation is performed by input interface. An input device is any hardware component that allows a user to enter data and. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. Download computer graphics notes pdf cg notes pdf and materials.
Shekhat, ce department 2160703 computer graphics what is computer graphics. Output devices are used to display the result or information on the computer. Pdf assinment find, read and cite all the research you need on researchgate. The data can be in the form of text, graphics, sound, and text. Computers need some way of sending information that can be read by people that use them. Computer graphics notes pdf cg notes pdf smartzworld. Understanding barcodes this ebook gives an overview of product codes.
List of input devices, output devices and both input output. Output device display data from the memory of the computer. Thanks to advances in computer graphics hardware and algorithms, virtually all new desktop machines available today have sophisticated fullcolor displays with. The computer will be of no use unless it is able to communicate with the outside world. In computing, input output refers to the communication between aninformation processing system such as a computer, and the outside world. Current uses of flatpanel displays include calculators, video games, monitors, laptop computer, graphics display. Graphic communication st pauls rc academy computer hardware cdt department. Lecture 2 input output devices, raster graphics youtube. Some types of output are text, graphics, tactile, audio, and video.
Input is any data or instructions entered into the memory of a computer. How do you ever wonder how information gets in your computer and how comes out in a form you can use. Pdf input output storages devices in computers researchgate. Apr 05, 2018 input devices in computer graphics in hindi. Getting the right input devices for your computer system can make a world of difference in your computers performance and can improve the quality of your time spent at the screen. It also focuses on the different types of input and output devices used with computers. What is the purpose of output devices in computer graphics. Microphone gives sound or voice input to the computer. Without any input devices, a computer would only be a display device and not allow users to interact with it. An activity booklet introducing students to computer storage and the different types of digital devices input and output. Computer users frequently find it easier to point to something on a screen or at an item of text or graphical material they are entering into the computer, a number of. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Some of the output devices are visual display units vdu i.
It can be text, graphics, tactile, audio, and video. D student brown university, department of computer science providence, rhode island lead consultant and founder. Text consists of characters letters, numbers, punctuation marks, or any other symbol requiring one byte of computer storage space that are used to create words, sentences, and paragraphs. A touch screen is an input output touchsensitive display. Input and output devices people at vt computer science. Plotter is an op device that is used to produce graphical op on papers. The monitor displays the video and graphics information generated by the computer through the video card. In this video we will learn 7 input devices in computer graphics. 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. Find out inside pcmags comprehensive tech and computer related encyclopedia. Unit1 basics of computer graphics darshan institute of. The cpu then reads the keyboard input data to determine what key was pressed.
Example glgraphics library system on silicon graphics equipment. They can be used by the computer to create a picture of whatever the camera had been pointed at. Output devices monitor the device which displays computer output. Jan 05, 2017 input devices are used to give data and instructions to the computer. Data that has been processed into a useful form, called information p. Output device can produce the final product of machine processing into a form usable by humans. An output device is any piece of computer hardware equipment which converts information into humanreadable form. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. The joystick is a vertical stick which moves the graphic cursor in a direction the stick is. The following is a list of the most common input devices which are nowadays found in a computer system. Difference between input devices and output devices. When you press a key on your keyboard, an input signal is sent to the cpu.
Input devices in computer graphics in hindi youtube. Thus, a computer must have a system to receive information from the outside world and must be able to communicate results to the external world. Computer graphics image is made up of number of pixels. Devices input and output unit 4 input output devices. Input devices various hardware devices have been developed to enable the user to interact in the more natural manner. But when it comes to know about them and how they work, such devices are categorized as input and output devices. Input and output devices used for computer graphics. Input and output unit or input and output device io provide a way to interact with a computer. Dec 14, 2010 here i am going to share you about list of basic input devices, output devices and both inputoutput devices related to computer.
Computer graphics is an art of drawing pictures, lines, charts, etc. Inputoutput devices and interaction department of computer. 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. Feb 10, 2017 what are graphical input and output devices in a computer. Ingamule siraji 1 a computer is an electronic device that works. Can you give an example of input and output for a computer. A free powerpoint ppt presentation displayed as a flash slide show on id. Input devices input is any data or instructions entered into the memory of a computer. Computer basics for kids eastern local school district. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Using a computer may seem an easy task because of the tools that are attacked with the device and helps in managing the system properly. Graphics software two classifications general programming package specialpurpose application package.
Input devices bring information into the computer and output device send. It can be text, graphics, tactile, audio, and video some of the output devices are visual display units vdu i. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. They are locators and selectors a joystick has two potentiometers, they have been attached to a single lever. Students complete a range of activities on computer storage and the different types. Computer devices computer input and output devices 992019 designed by.
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