Input and output devices of computer graphics pdf

In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Input devices input is any data or instructions entered into the memory of a computer. Some of the output devices are visual display units vdu i. Output devices are used to display the result or information on the computer. Pdf interaction styles and inputoutput devices researchgate. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. An activity booklet introducing students to computer storage and the different types of digital devices input and output. Examples of input devices are keyboard mouse tracker ball touch sensitive pad. Input and output unit 4 input output devices devices. Can you give an example of input and output for a computer. Input devices input devices are things we use to put information into a computer. Output devices of computer receive data from the system which it shows to you. This is unlike input devices that lets you send data out of the system.

Monitor and the printer are the commonly used output devices. The computer will be of no use unless it is able to communicate with the outside world. Microphone gives sound or voice input to the computer. An input device is any hardware component that allows a user to enter data and instructions into a computer. It also focuses on the different types of input and output devices used with computers. Clearly, for computer systems to be interesting, both input and output are required. It also can acquire respective media data as input sent to a computer or send computer data to storage media as storage output. 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. Input and output devices of computer computer notes. Microphone microphone is an input device to input sound that is then stored in digital form. The joystick is a vertical stick which moves the graphic cursor in a.

Input devices that read printed text and graphics and transfers them to a computer in digital form data is typically input as a single image can scan photos, documents, images types of scanners flatbed portable 3d receipt and business card scanners understanding computers. Graphics software two classifications general programming package specialpurpose application package. Input and output devices input and output devices input devices input devices are used to get data into a system. In this case, the computer tells the graphics card what colors to paint at specific points on the monitor. It can be text, graphics, tactile, audio, and video.

Students complete a range of activities on computer storage and the different types. Pdf computer input and output devices ingamule siraji. In addition, you use output devices to receive information that you can read, see or hear, they make use of components like sound cards, video cards, usb ports and sometimes wireless or wired. In computing, inputoutput refers to the communication between aninformation processing system such as a computer, and the outside world.

Output devices monitor the device which displays computer output. This transformation is performed by input interface. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. Input devices are used to input information to computers while output device transmit information to one or more users. Inputoutput devices and interaction department of computer. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. An input device are mechanical device which helps user to input the data in to your computer machine.

Central processing unit carries out the basic operations or. Brown university compter graphics lab input and output devices for 3d interaction joseph j laviola jr ph. Computer graphics, multimedia and animation malay k. An interaction technique is a way of using a physical inputoutput device to perform a generic task in a humancomputer dialogue. Input devices as well as output devices are a neccessity in order to. D student brown university, department of computer science providence, rhode island lead consultant and founder. The devices which are used to input the data and the programs in the computer are known as input devices. Some types of output are text, graphics, tactile, audio, and video.

Graphic communication st pauls rc academy computer hardware cdt. Input devices various hardware devices have been developed to enable the user to interact in the more natural manner. Lecture 2 input output devices, raster graphics youtube. Pdf input output storages devices in computers researchgate. An output device is any piece of computer hardware equipment which converts information into humanreadable form. An input devices converts the data and instructions into binary form that computer can understand. These examples of output devices also include inputoutput devices.

These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. List of input devices, output devices and both input. There are various types of input device by which a user can ask computer to solve their query or processes. In my last post i have shared about the following job recruitment questions on basic computer technology and internetjob recruitment questions on basic computer technology and internet part1. But when it comes to know about them and how they work, such devices are categorized as input and output devices. Without any input devices, a computer would only be a display device and not allow users to interact with it. A general graphics programming package provides an extensive set of graphics functions that can be used in highlevel programming languages. Input and output devices are required for users to communicate with the computer. Here i am going to share you about list of basic input devices, output devices and both inputoutput devices.

The input devices are the hardware that is used to transfer transfers input to the computer. Inputoutput devices are required for users to communicate with the computer. The digitized pad is useful in converting graphic input, such as charts, graphs, and blueprints into patterns that can be manipulated and stored by the computer. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. In my opinion, i think all the unit of computer component are important and their own role in getting a computer system unit to function. An interaction technique is the fusion of input and output, consisting of all software and hardware elements, that. This book, now in its second edition, will help students build sound concepts which underlie. Thanks to advances in computer graphics hardware and algorithms, virtually all new desktop machines available today have sophisticated fullcolor displays with. The joystick is a vertical stick which moves the graphic cursor in a direction the.

Pdf assinment find, read and cite all the research you need on researchgate. A touch screen is an inputoutput touchsensitive display. Job interview questions on basic computer technology and internet part2. Devices input and output unit 4 input output devices. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it.

Contents preface 1 introduction 2 graphical input output devices 3 scan conversion 4 scan. The input devices translate the information into the form understandable by computer. With the right program and information, the computer will input graphics information mouse, digitizer. What are graphical input and output devices in a computer. Input and output devices used for computer graphics. The design is sent to the plotter through a graphics card, and the design is formed by using a pen. Monitors are very similar to televisions but usually display information at a much higher resolution.

It is generally used with engineering applications, and essentially draws a given image using a series of straight lines. Chapter 4 input and output oakton community college. For example, a higherquality graphics card can be plugged in, and the built. Output device can produce the final product of machine processing into a form usable by humans. What is the purpose of output devices in computer graphics. Example glgraphics library system on silicon graphics equipment. The monitor displays the video and graphics information generated by the computer through the video card. 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. Inputoutput devices dont only produce output, but can also be used as storage and input devices. An input device is any hardware device that sends data to the computer, without any input devices, a computer would only be a display device and not allow users to interact with it, much like a tv. Keyboard and mouse are the most commonly used input devices. The input data form may be text, sound, video, artwork etc.

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. Output device display data from the memory of the computer. Dear aspirant, as you know computer is very important section to get a good score for bank exam. Data that has been processed into a useful form, called information p. Computer inputoutput ports and interfaces 1 terms and abbreviations. Input device is a device through which data and instruction are entered into computer system. Additional inputoutput can be added by plugging in controller cards into the motherboards pci or pci express slots. Difference between input devices and output devices. Input devices data glovepolhemus a modern attempt to provide the user with more degrees of freedom common in virtual reality applications polyhemus can provide six degrees of freedom rotation and translation head mounted display although primary a display device, it can also track position and orientation like polhemus space ball six degrees of freedom sphere. They are locators and selectors a joystick has two potentiometers, they have been attached to a single lever. They can be used by the computer to create a picture of whatever the camera had been pointed at.

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. The monitor displays the video and graphics information generated by the computer. Input and output devices input and output devices joseph j. 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. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. The jo ystick is a vertical stick which moves the graphic cursor in a. An inputoutput io device is a hardware device that has the ability to accept inputted, outputted or other processed data. Output can be text, numeric data, line, polygon, and other objects.